How to Get rid of Hair Dye Smell | 7 Different Methods [Step by Step]

Hair dye smell is a common problem that many people discover too late in the coloring process. The strong, unpleasant odor can linger on your hair and scalp for days, making it uncomfortable for you and those around you.

The main culprit behind that harsh smell is ammonia, a chemical found in many permanent hair dyes. While there are natural and chemical-free alternatives available today, most commercial dyes still contain some ingredients that leave a noticeable odor.

The good news is that hair dye smell is temporary. However, you should pay attention if the smell gets worse after washing your hair or if you experience scalp irritation. In these cases, consult a dermatologist to rule out allergic reactions or scalp damage.

What Causes Hair Dye to Smell?

Understanding why hair dye smells helps you choose better products and treatments.

Ammonia: The Primary Offender

Ammonia is an alkaline compound used in permanent hair dyes to open the hair cuticle and allow color to penetrate deeply. When ammonia mixes with hydrogen peroxide (the developer), it creates a chemical reaction that permanently changes your hair color. Unfortunately, this same reaction produces a strong, sharp odor that clings to hair fibers.

The smell can be especially strong if you use high-volume developers (30 or 40 volume) or leave the dye on longer than recommended.

Hydrogen Peroxide and Other Chemicals

Even ammonia-free dyes often contain hydrogen peroxide, which has its own distinct odor. Other chemicals like parabens, sulfates, and synthetic fragrances can also contribute to the smell.

How Hair Texture and Porosity Affect Odor Retention

Your hair’s texture and porosity play a role in how much smell it retains. Porous hair (damaged, bleached, or chemically treated hair) absorbs more dye chemicals and holds onto odors longer. Thick, coarse hair may also trap smells more than fine hair because of its density.

Other Reasons for Scalp Smell After Dyeing

Sometimes the smell isn’t just from the dye itself. Several scalp and health factors can make odor worse or last longer.

Oily Scalp and Bacterial Growth

People with oily skin often have an oily scalp. When excess sebum (natural oil) builds up, it creates an environment where bacteria thrive. These bacteria break down oils and produce unpleasant odors. Hair dye chemicals mixed with this natural oil can intensify the smell.

Dandruff and Scalp Conditions

Dandruff, seborrheic dermatitis, and psoriasis cause scalp flaking and inflammation. These conditions can trap dye chemicals and produce a musty or sour smell. The combination of dead skin cells, bacteria, and hair dye creates a particularly stubborn odor.

Hormonal Changes and Sweat

Hormonal fluctuations during pregnancy, menopause, or menstrual cycles can change your scalp’s oil production and pH balance. This makes odors more noticeable. Similarly, excessive sweating from exercise or heat can reactivate dye chemicals and release odors again.

Allergic Reactions and Sensitivity

An allergic reaction to hair dye can cause scalp irritation, weeping, or discharge—all of which contribute to bad smells. If you experience itching, burning, swelling, or oozing along with persistent odor, stop using the product and see a doctor immediately.

Poor Nutrition and Overall Health

Nutritional deficiencies (especially zinc, iron, and B vitamins) can affect scalp health and oil production. Poor overall health or certain medications may also alter your body’s natural odor.

How Long Does Hair Dye Smell Last?

Most people notice the hair dye smell fades within 2 to 3 days after coloring. However, in some cases, it can persist for up to one or two weeks, especially if you have porous or damaged hair.

Factors that affect how long the smell lasts include:

• Type of dye used (permanent dyes smell stronger and longer)
• Developer strength (higher volume = stronger smell)
• Hair porosity and damage level
• How thoroughly you rinsed the dye out
• Environmental factors like humidity and pollution

If the smell persists beyond two weeks or gets worse instead of better, consult a professional. This could indicate product buildup, scalp infection, or an allergic reaction.

Quick Product Recommendations

If you need immediate solutions, these products can help neutralize odors and protect your color.

Best Shampoos and Cleansers for Smelly Colored Hair

1. BC Bonacure COLOR FREEZE Sulfate-Free Shampoo — Gently cleanses without stripping color while neutralizing odors.
2. COLOR WOW Color Security Shampoo and Conditioner — Seals the cuticle to lock in color and prevent odor buildup.

Odor-Free Hair Dyes

Prevent the problem before it starts with these low-odor or ammonia-free hair dyes:

1. Garnier Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Color — No ammonia smell, with nourishing oils for healthier-looking color.
2. Loreal Inoa Ammonia Free Permanent Haircolor — Professional-grade color without harsh odors.

7 Proven Methods to Get Rid of Hair Dye Smell

These natural remedies work by neutralizing alkaline chemicals, absorbing odors, and cleansing your scalp without damaging your new color. They are safe, affordable, and effective when used correctly.

Important: Wait at least 72 hours after dyeing before using any of these remedies. This waiting period allows your hair color to fully set and prevents premature fading. If you cannot wait, use a dry shampoo in the meantime.

1. Baking Soda and Apple Cider Vinegar (BSAV Remedy)

This two-step treatment uses baking soda to neutralize alkaline ammonia and apple cider vinegar to restore your scalp’s natural pH balance. The combination effectively removes odors without stripping color.

What You Need

• Baking soda: 1 tablespoon
• Apple cider vinegar: ¼ cup
• Warm water

Step-by-Step Instructions

1. Mix 1 tablespoon of baking soda with enough warm water to form a thick paste.
2. Apply the paste to your scalp and work it through to the ends of your hair using gentle circular motions.
3. Massage gently for 5 to 10 minutes. Do not scrub vigorously or you may damage your color.
4. While the baking soda is still in your hair, mix ¼ cup of apple cider vinegar with 2 cups of warm water.
5. Rinse out the baking soda with the apple cider vinegar mixture. Pour it slowly over your hair, making sure to saturate all sections.
6. Leave the vinegar rinse in your hair for 20 to 30 minutes. You can cover your hair with a shower cap to prevent dripping.
7. Rinse thoroughly with warm water. The smell should be significantly reduced or gone.

How It Works: Baking soda is alkaline and acts as a gentle abrasive that lifts odor-causing chemicals from hair. Apple cider vinegar is acidic and neutralizes the alkaline ammonia residue while sealing the hair cuticle.

Best For: All hair types, especially those with moderate to strong dye odor.

2. Tomato Juice Remedy

Tomatoes contain natural acids that counteract the alkaline chemicals in hair dye. This remedy is particularly effective for stubborn odors.

What You Need

• Fresh tomato juice from 2 to 3 large tomatoes (about 1 cup)

Step-by-Step Instructions

1. Blend 2 to 3 fresh tomatoes until smooth. Strain the juice to remove seeds and pulp if desired.
2. Wet your hair with plain water.
3. Pour the tomato juice over your damp hair, making sure to saturate your scalp and all sections of your hair.
4. Massage gently with your fingertips for 3 to 5 minutes.
5. Cover your hair with a shower cap or old towel. Leave the juice on for 30 to 45 minutes.
6. Rinse thoroughly with cool water, then wash with a mild, color-safe shampoo that has a pleasant natural fragrance.
7. Condition as usual.

How It Works: The citric acid and other natural acids in tomatoes neutralize ammonia and other alkaline chemicals. Tomatoes also contain antioxidants that can help soothe irritated scalps.

Best For: Stubborn odors that don’t respond to other treatments. Also good for oily scalps.

3. Tea Tree Oil Remedy

Tea tree oil has natural antibacterial and antifungal properties that eliminate odor-causing bacteria on your scalp. It also has a fresh, medicinal scent that masks chemical odors.

What You Need

• Tea tree essential oil: 6 to 8 drops
• Carrier oil (sweet almond, coconut, or jojoba): 2 tablespoons

Step-by-Step Instructions

1. Mix 6 to 8 drops of tea tree essential oil with 2 tablespoons of carrier oil in a small bowl.
2. Part your hair into sections and apply the oil mixture directly to your scalp using your fingertips or a cotton ball.
3. Massage gently in circular motions for 5 minutes to stimulate circulation.
4. Work any remaining oil through the lengths of your hair.
5. Leave on for 30 minutes to 1 hour. For deeper treatment, leave on overnight.
6. Rinse with cool or lukewarm water, then shampoo gently with a sulfate-free, color-safe shampoo.

How It Works: Tea tree oil kills bacteria and fungi that contribute to scalp odor. Its strong natural scent also helps mask chemical smells.

Best For: Oily scalps, dandruff-prone scalps, and bacterial odor issues.

Caution: Never apply undiluted tea tree oil directly to your scalp. Always dilute it with a carrier oil to avoid irritation.

4. Neem Oil Remedy

Neem oil is a powerful natural ingredient used in traditional medicine for scalp health. It fights bacteria, reduces inflammation, and neutralizes odors.

What You Need

• Neem oil: 5 to 6 drops
• Carrier oil (coconut or jojoba): 2 tablespoons

Step-by-Step Instructions

1. Combine 5 to 6 drops of neem oil with 2 tablespoons of carrier oil.
2. Apply the mixture to your scalp using your fingers or a cotton ball, working in sections.
3. Gently massage your scalp for 5 to 7 minutes.
4. Distribute any remaining oil through your hair from roots to ends.
5. Leave on for 30 to 45 minutes. Cover with a shower cap if desired.
6. Rinse thoroughly with warm water and shampoo with a gentle, color-safe cleanser.
7. Avoid vigorous scrubbing to protect your hair color.

How It Works: Neem oil has antibacterial and antifungal properties that eliminate odor-causing microbes. It also soothes scalp irritation and supports overall scalp health.

Best For: Scalp conditions like dandruff, seborrheic dermatitis, or persistent bacterial odor.

Note: Neem oil has a strong earthy smell that some people find unpleasant. The scent fades after rinsing and shampooing.

5. Lemon Juice Remedy

Lemon juice is a natural acid that neutralizes ammonia and leaves your hair smelling fresh and citrusy.

What You Need

• Fresh lemon juice: 2 tablespoons
• Warm water: 2 cups

Step-by-Step Instructions

1. Squeeze fresh lemons to get 2 tablespoons of juice. Strain out seeds and pulp.
2. Mix the lemon juice with 2 cups of warm water.
3. Wash your hair first with a mild, sulfate-free shampoo and rinse thoroughly.
4. Pour the lemon juice mixture over your hair slowly, making sure it reaches your scalp.
5. Massage gently for 2 to 3 minutes.
6. Leave the mixture on for 5 to 10 minutes. Do not leave it longer as lemon can lighten hair color with prolonged exposure.
7. Rinse thoroughly with cool water.
8. Repeat twice a week if the smell persists.

How It Works: The citric acid in lemon juice neutralizes alkaline ammonia. Lemon also has a fresh, clean scent and mild antibacterial properties.

Best For: Mild to moderate odor. Works well on lighter hair colors.

Caution: Lemon juice can lighten hair color if left on too long or used frequently. Use sparingly and rinse thoroughly. Avoid this remedy if you have dark hair and want to maintain your color intensity.

6. Garlic Oil Remedy

While garlic itself has a strong smell, when infused into oil and rinsed out properly, it effectively eliminates chemical odors and promotes scalp health.

What You Need

• Fresh garlic cloves: 4 to 5 cloves
• Coconut oil: 2 tablespoons

Step-by-Step Instructions

1. Peel and crush or finely chop 4 to 5 garlic cloves.
2. Heat 2 tablespoons of coconut oil in a small pan over low heat.
3. Add the crushed garlic to the warm oil and let it infuse for 2 to 3 minutes. Do not overheat or the garlic will burn.
4. Remove from heat and let the mixture cool to room temperature.
5. Strain the oil to remove garlic pieces.
6. Apply the garlic-infused oil to your scalp and hair, massaging gently.
7. Leave on for 30 to 45 minutes.
8. Rinse thoroughly with lukewarm water, then wash with a good-smelling, sulfate-free shampoo.
9. You may need to shampoo twice to remove all the oil and garlic scent.
10. Use this treatment twice a week until the dye smell is gone.

How It Works: Garlic has powerful antibacterial and antifungal properties. The sulfur compounds in garlic help neutralize chemical odors and promote a healthy scalp environment.

Best For: Scalp infections, persistent odors, and promoting overall scalp health.

Tip: Follow up with a conditioner containing essential oils like lavender or rosemary to ensure no garlic smell remains.

7. Sulfur Shampoo Treatment

Sulfur-based shampoos are specially formulated to combat stubborn odors and scalp conditions. They work by neutralizing bacteria and removing chemical buildup.

What You Need

• Sulfur shampoo (available at drugstores or online)
• Lukewarm water

Step-by-Step Instructions

1. Wet your hair thoroughly with lukewarm water.
2. Apply a generous amount of sulfur shampoo to your scalp and hair.
3. Massage gently into your scalp using circular motions for 2 to 3 minutes.
4. Leave the shampoo on for 3 to 5 minutes to allow the sulfur to work.
5. Rinse thoroughly with lukewarm water.
6. Follow with a color-safe conditioner.
7. Use 2 to 3 times per week until the odor is eliminated.

How It Works: Sulfur has natural antibacterial and antifungal properties that kill odor-causing bacteria. It also helps remove chemical residue left behind by hair dye.

Best For: Persistent odors, dandruff, seborrheic dermatitis, and scalp infections.

Note: Sulfur shampoos may have a slight medicinal smell, but this fades quickly after rinsing. Always follow with conditioner to prevent dryness.

Comparison Table: Which Remedy is Right for You?

Remedy	Best For	Time Required	Effectiveness	Hair Type Suitability
Baking Soda + ACV	Moderate odor, all hair types	30-40 minutes	High	All types
Tomato Juice	Stubborn odor, oily scalp	45-60 minutes	High	All types, especially oily
Tea Tree Oil	Bacterial odor, dandruff	30-60 minutes	Moderate to high	Oily to normal scalp
Neem Oil	Scalp conditions, infections	30-45 minutes	High	All types
Lemon Juice	Mild odor, light hair	15-20 minutes	Moderate	Light to medium hair
Garlic Oil	Persistent odor, scalp health	45-60 minutes	High	All types
Sulfur Shampoo	Severe odor, scalp conditions	10-15 minutes	Very high	All types

Additional Tips to Prevent and Manage Hair Dye Odor

Before You Dye

• Choose low-odor or ammonia-free dyes whenever possible
• Do a patch test 48 hours before dyeing to check for allergic reactions
• Apply a barrier cream (like petroleum jelly) around your hairline to prevent dye from seeping onto your skin
• Work in a well-ventilated area to minimize inhalation of fumes

During the Dyeing Process

• Follow timing instructions precisely — leaving dye on longer increases odor
• Rinse thoroughly until water runs completely clear
• Use the conditioner provided in the box, as it’s formulated to neutralize chemicals

After Dyeing

• Wait 72 hours before washing to allow color to set fully
• Use dry shampoo if you need to freshen up before the 72-hour mark
• Avoid heat styling for the first few days, as heat can reactivate chemical smells
• Sleep on a silk or satin pillowcase to reduce friction and preserve color

Long-Term Precautions to Prevent Scalp Odor

Preventing odor isn’t just about treating the symptoms. A healthy scalp and proper hair care routine can minimize smell issues in the future.

1. Consult your stylist or colorist — Ask them to recommend color-safe, odor-neutralizing products specific to your hair type.
2. Follow a consistent hair care routine — Wash your hair 2 to 3 times per week with a sulfate-free, color-safe shampoo. Overwashing strips natural oils and causes your scalp to overproduce oil.
3. Use products designed for color-treated hair — These shampoos and conditioners are formulated to be gentle and won’t react with dye chemicals.
4. Deep condition weekly — Use a moisturizing mask to repair damage and seal the hair cuticle, which helps prevent odor absorption.
5. Avoid alcohol-based styling products — Alcohol can dry out your scalp and react with dye chemicals, creating unpleasant smells.
6. Limit sun exposure and pollution — UV rays and pollutants can interact with dye chemicals and create odors. Wear a hat or use UV-protectant hair products.
7. Maintain a healthy diet — Eat foods rich in zinc, iron, omega-3 fatty acids, and B vitamins to support scalp health from the inside out.
8. Stay hydrated — Drink plenty of water to help your body flush out toxins and maintain scalp moisture balance.
9. Manage stress — High stress levels can trigger hormonal changes that affect oil production and scalp odor.
10. Treat underlying scalp conditions — If you have dandruff, psoriasis, or dermatitis, work with a dermatologist to manage these issues.

When to See a Doctor

While hair dye smell is usually harmless and temporary, certain symptoms require professional medical attention:

• Smell persists beyond two weeks despite trying multiple remedies
• Smell gets worse instead of fading over time
• Scalp itching, burning, or pain
• Redness, swelling, or rash on scalp or face
• Blisters, sores, or oozing
• Excessive hair shedding or breakage
• Breathing difficulties, dizziness, or nausea that persists after dyeing
• Signs of infection (pus, fever, swollen lymph nodes)

These symptoms may indicate an allergic reaction, chemical burn, or scalp infection that requires medical treatment.

Recommended Shampoos and Cleansers for Smelly Dyed Hair

These products are specifically formulated to be gentle on colored hair while effectively removing odors:

1. COLOR WOW Color Security Shampoo and Conditioner Duo Set — Sulfate-free formula that locks in color while neutralizing chemical odors. Contains chamomile for gentle cleansing.
2. BC Bonacure COLOR FREEZE Sulfate-Free Shampoo — Professional-grade cleanser with pH-balancing technology. Prevents color fade while eliminating residual chemical smells.
3. Moroccan Argan Oil Sulfate Free Shampoo and Conditioner — Infused with natural argan oil to nourish hair while removing odors. Safe for all hair types including keratin-treated hair.

Best Odor-Free Hair Dyes

Prevent the problem before it starts by choosing these low-odor or ammonia-free hair color options:

1. Garnier Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Color

• Zero ammonia means no harsh chemical smell
• Contains 60% natural flower oils for nourishment
• Provides permanent color with full gray coverage
• Leaves hair visibly healthier and shinier
• Ideal for all hair types

2. Loreal Inoa Ammonia Free Permanent Haircolor

• Professional salon-quality permanent color
• Completely ammonia-free with minimal odor
• Delivers 100% gray coverage
• Provides up to 6 weeks of color hydration
• Contains nourishing oils to protect hair

3. Clairol Natural Instincts Semi-Permanent

• 80% naturally derived ingredients
• Ammonia-free and low-odor formula
• Lasts up to 28 washes
• Enriched with coconut oil and aloe vera
• Suitable for all hair textures and scalp types

Frequently Asked Questions

Can I wash my hair immediately after dyeing if the smell is unbearable?

You should wait at least 72 hours after dyeing before washing your hair with shampoo. Washing too soon can cause your color to fade dramatically or become uneven. If the smell is unbearable, use a dry shampoo or try one of the gentler remedies like lemon juice rinse (after 24 hours).

Is it normal to feel nauseous from hair dye smell?

Mild nausea during the dyeing process is not uncommon, especially with ammonia-based dyes. Always dye your hair in a well-ventilated area. However, if nausea persists hours after dyeing or is accompanied by difficulty breathing, dizziness, or vomiting, seek medical attention immediately as this may indicate a more serious reaction.

Will these remedies affect my hair color?

Most of these remedies are gentle and safe for color-treated hair when used correctly. However, lemon juice can lighten hair if left on too long or used frequently. Always wait 72 hours after dyeing before trying any remedy, and avoid scrubbing vigorously.

How many times can I use these remedies?

Most remedies can be used 2 to 3 times per week until the odor is gone. Sulfur shampoo can be used more frequently (up to every other day) if you have severe scalp odor or dandruff.

Can I combine multiple remedies?

It’s best to try one remedy at a time and see how your hair and scalp respond. Combining multiple acidic treatments (like lemon juice and tomato juice) or multiple oil treatments in one session may irritate your scalp or weigh down your hair.

Why does my scalp smell even when I don’t dye my hair?

Scalp odor without dyeing can be caused by excess oil production, bacterial or fungal growth, poor hygiene, hormonal changes, or underlying scalp conditions like seborrheic dermatitis or psoriasis. If you have persistent scalp odor, see a dermatologist for diagnosis and treatment.

Are ammonia-free dyes completely odorless?

Ammonia-free dyes typically have much less odor than traditional dyes, but they may still have a slight chemical smell from other ingredients like hydrogen peroxide or substitutes for ammonia. However, the smell is usually mild and fades quickly.

Can essential oils alone remove hair dye smell?

Essential oils like tea tree, lavender, or peppermint can help mask odors and have antibacterial properties, but they work best when combined with a carrier oil treatment or proper cleansing routine. They won’t neutralize chemical odors as effectively as acidic treatments.

Hair Care Routine for Maintaining Odor-Free Colored Hair

Following a proper maintenance routine keeps your hair fresh and your color vibrant:

Weekly Routine

• Wash 2-3 times per week with sulfate-free, color-safe shampoo
• Condition after every wash, focusing on mid-lengths to ends
• Use dry shampoo between washes to absorb excess oil
• Deep condition once a week with a color-protecting mask
• Apply a scalp treatment (like tea tree or neem oil) once weekly if you have oily or odor-prone scalp

Daily Habits

• Brush your hair gently to distribute natural oils
• Avoid touching your hair excessively throughout the day
• Use a silk or satin pillowcase to reduce friction
• Protect hair from sun, chlorine, and pollution with hats or UV-protectant sprays

Monthly Maintenance

• Clarifying treatment — Use a clarifying shampoo once a month to remove product buildup
• Trim ends — Regular trims prevent split ends and keep hair healthy
• Scalp exfoliation — Gently exfoliate scalp with a scrub or brush to remove dead skin cells

Final Thoughts

Hair dye smell is a temporary inconvenience that can be effectively managed with the right approach. By understanding what causes the odor and using proven natural remedies, you can eliminate unpleasant smells without damaging your new color.

Remember to wait at least 72 hours after dyeing before trying any remedies to allow your color to fully set. Choose gentle, color-safe products and maintain a consistent hair care routine to keep your scalp healthy and odor-free.

If you continue to experience strong odors, scalp irritation, or other concerning symptoms despite trying these remedies, consult a dermatologist or hair care professional. Persistent odor may indicate an underlying scalp condition that requires medical treatment.

For those interested in coloring their hair but worried about chemical exposure, you might want to explore natural hair dye alternatives that can be made at home with ingredients that won’t leave strong odors. Additionally, if you’re concerned about color bleeding, which can sometimes contribute to lingering smells, there are specific techniques to address that issue as well. If you’re specifically concerned about unpleasant smells from wigs, there are specialized solutions for that too.

With proper care and the right treatments, you can enjoy beautiful, vibrant hair color without worrying about unpleasant odors. Your hair and scalp will thank you for taking the time to address this common concern properly.