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Best Non-Toxic Hair Masks

We vetted hair masks against the Welpr Standard and here are our top picks.

Camille May

Cofounder & Product Curator

Olushola M. Awoyemi

Medical Reviewer, PhD

Here's what we look for:

Formulas made with natural or synthetic ingredients that meet our standard
Free from parabens, PEGs, phthalates, harsh sulfates, BHA/BHT, artificial dyes, formaldehyde and formaldehyde-releasing ingredients, and undisclosed fragrance
Minimal, well-chosen preservatives
Trusted third-party certifications when available
Transparent sourcing, ingredients, and manufacturing practices

Best Non-Toxic Hair Masks

On Welpr, terms like "non-toxic," "safer," "cleaner," "healthier," and "vetted" are editorial labels based on our own standard for product assessment. They are not guarantees, certifications, or medical claims. Learn more.

Meets the Welpr Standard

Top Pick

Innersense

Hydrating Hair Mask

Free From: Cruelty Free, Dye Free, Formaldehyde Free, Gluten Free, Paraben Free, Phthalate Free, Sulfate Free
Highlights: Deep hydration, Hydrates and repairs, For dry, damaged hair, Fights frizz, Smooths split ends, Strengthens strands, Vegan

8.7

Performance score

Where to buy

Amazon
See price
Innersense
See price

Made for dry, damaged or coarse hair, with a treatment that restores softness and hydration while helping to smooth frizz and split ends.
Shea butter coats the hair cuticle to smooth frizz, while jojoba oil provides added protection against dryness, breakage and split ends.
Tamanu oil absorbs quickly and nourishes the scalp with a weightless feel.
The scent is Sage Vanilla, and the rinse-out finish is soft, hydrated hair.

Water/Aqua/Eau
Cetearyl Alcohol
Glycerin
Carthamus Tinctorius (Safflower) Seed Oil
Simmondsia Chinensis (Jojoba) Seed Oil
Cocos Nucifera (Coconut Oil)
Stearalkonium Chloride
Behentrimonium Methosulfate
Cananga Odorata Flower Oil
Lavandula Angustifolia (Lavender) Oil
Citrus Aurantium Dulcis (Orange) Peel Oil
Salvia Sclarea (Clary) Oil
Vanillin
Pogostemon Cablin Oil
Glycine Soja (Soybean) Oil
Cetyl Hydroxyethylcellulose
Butyrospermum Parkii (Shea Butter)
Sodium Benzoate
Pyrus Malus (Apple) Fruit Extract
Potassium Sorbate
Calophyllum Inophyllum (Tamanu) Oil
Guar Hydroxypropyltrimonium Chloride
Linum Usitatissimum (Linseed) Seed Oil
Camellia Japonica (Camellia) Oil
Oryza Sativa (Rice) Extract
Sodium Pca
Sodium Lactate
Arginine
Aspartic Acid
Pca
Glycine
Alanine
Serine
Valine
Proline
Threonine
Isoleucine
Histidine
Phenylalanine
Citric Acid
Oenothera Biennis (Evening Primrose) Oil
Persea Gratissima (Avocado) Oil
Taraxacum Officinale (Dandelion) Leaf Extract
Salvia Officinalis (Sage) Leaf Extract
Melissa Officinalis Leaf Extract
Hydrolyzed Quinoa
Benzyl Alcohol
Vacciniumm Myrtillus (Bilberry) Fruit Extract
Saccharum Officinarum (Sugar Cane) Extract
Acer Saccharum (Sugar Maple) Extract
Citrus Aurantium Dulcis (Orange) Fruit Extract
Citrus Limon (Lemon) Fruit Extract
Linalool
Limonene

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Meets the Welpr Standard

Budget Pick

Attitude

Repairing Hair Mask

Free From: Cruelty Free
Certified: PETA Certified
Highlights: Vegan, For Damage repair, Quick treatment

8.2

Performance score

Where to buy

Amazon
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Attitude
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More intensive than a conditioner: meant to be used once or twice a week rather than every wash, with a longer sit time to let the oils and butters actually penetrate rather than just coat the surface.
Best suited for dry, damaged, color-treated, or curly hair that needs more moisture than a daily conditioner provides. Very fine hair may find it too heavy; concentrating it on the ends only can help.
Scented with rose and soft vanilla notes. The fragrance is light rather than perfume-strong, which matters if you're sensitive to heavily scented hair products.
Among non-toxic hair masks, this one leans on a blend of plant-based oils and butters for conditioning rather than relying on silicones, so the slip and shine come from the oils themselves rather than a synthetic coating.
Attitude is a Canadian company that formulates in-house and screens ingredients against EWG's database of roughly 3,600 substances of concern. They've been at it since 2006 and manufacture in their own facility in Quebec.

Aqua / Water / Eau
Cetearyl Alcohol
Glycerin
Argania Spinosa (Argan) Kernel Oil
Butyrospermum Parkii (Shea) Butter
Cocos Nucifera (Coconut) Oil
Persea Gratissima (Avocado) Oil
Behentrimonium Methosulfate
Crambe Abyssinica Seed Oil
Zea Mays (Corn) Starch
Vitis Vinifera (Grape) Seed Oil
Sodium Benzoate
Potassium Sorbate
Citric Acid
Nasturtium Officinale (Watercress) Extract
Tropaeolum Majus (Indian Cress) Extract
Sodium Hydroxide
Methyldihydrojasmonate
Pentadecalactone
Phenethyl Acetate
Triethyl Citrate
Vanillin

Meets the Welpr Standard

Innersense

Detox Hair Mask

Free From: Cruelty Free, Formaldehyde Free, Gluten Free, Paraben Free, Phthalate Free, Sulfate Free
Highlights: Clarifies buildup, Adds shine, Gentle on hair, For all hair types, Sage vanilla scent, Charcoal and kaolin

8.4

Performance score

Where to buy

Amazon
See price
Innersense
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For flat, lifeless or greasy hair, it purifies the hair and scalp of buildup and product residue. It is suitable for all hair types and textures.
Charcoal helps draw out dirt, oil and impurities, while kaolin clay absorbs excess oil, dirt and product buildup from the hair and scalp.
White vinegar clarifies the scalp and leaves hair feeling soft and manageable.
The finish is a refreshed-feeling scalp with hair that feels fluffy and light.
Its fragrance note is sage vanilla.

Water/Aqua/Eau
Cetearyl Alcohol
Kaolin
Glycerin
Vinegar
Charcoal Powder
Oryza Sativa (Rice) Bran Oil
Behentrimonium Methosulfate
Olea Europaea (Olive) Fruit Extract
Butyrospermum Parkii (Shea) Butter
Stearalkonium Chloride
Hydrolyzed Quinoa
Epilobium Angustifolum Flower/Leaf/Stem Extract
Panthenol (Vitamin B-5)
Potassium Sorbate
Hydrolyzed Adansonia Digitata Seed Extract
Sodium Levulinate
Stearyl Alcohol
Amine Hcl
Benzyl Alcohol
Sodium Benzoate
Glycine Soja (Soybean) Oil
Cananga Odorata (Ylang Ylang) Flower Oil
Citrus Aurantium Dulcis (Orange) Peel Oil
Lavandula Angustifolia(Lavender) Oil
Pogostemon Cablin (Patchouli) Oil
Salvia Sclarea (Clary) Oil
Linalool
Limonene

Meets the Welpr Standard

Innersense

Repair Mask

Free From: Cruelty Free, Dye Free, Formaldehyde Free, Gluten Free, Paraben Free, Phthalate Free, Sulfate Free
Highlights: Repairs hair damage, Seals split ends, Smooths frizz, Strengthens strands, For all hair types, Vegan

8.3

Performance score

Where to buy

Amazon
See price
Innersense
See price

Built for dry, damaged or brittle hair, this treatment mask fortifies strands and helps reverse visible signs of damage.
Hydrolyzed Moringa Protein works within the hair cortex, bonding with keratin sites to restore structure and strength.
Vitamin C supports strength and elasticity by helping boost collagen production in the hair, while Tamanu Oil seals the cuticle to lock in moisture.
Deep hydration smooths frizz, and the formula seals split ends to reduce the appearance of damage while enhancing shine.

Water/Aqua/Eau
Cetearyl Alcohol
Caprylic/Capric Triglyceride
Behentrimonium Methosulfate
Butyrospermum Parkii (Shea) Butter
Sesamum Indicum (Sesame) Seed Oil
Salvia Hispanica Seed Oil
Hydrolyzed Moringa Oleifera Seed Protein
Stearalkonium Chloride
Tetrahexyldecyl Ascorbate
Polycitronellol
Stearyl Alcohol
Panthenol
Guar Hydroxypropyltrimonium Chloride
Calophyllum Inophyllum Seed Oil
Sodium Gluconate
Sodium Benzoate
Potassium Sorbate
Sodium Levulinate
Citric Acid
Linalyl Acetate
Limonene
Alpha Ionone
Anthemis Nobilis (Roman Chamomile) Flower Oil
Citrus Aurantifolia (Lime) Peel Oil
Citrus Aurantium Bergamia (Bergamot) Fruit Oil
Citrus Aurantium Dulcis (Orange) Peel Oil
Citrus Nobilis (Mandarin Orange) Peel Oil
Gamma Undecalactone
Gamma-Decalactone
Gamma-Nonalactone
Ionone
Lavandula Hybrida Oil
Orange Terpenes
Salvia Sclarea (Clary) Oil
Zingiber Officinale (Ginger) Root Oil

Meets the Welpr Standard

Butter Me Up Organics

Hair & Nail Mask

Free From: Cruelty Free
Highlights: Cruelty-free, No synthetic fragrance, For Strengthening, Overnight

8.2

Performance score

Where to buy

Amazon
See price

A butter-based hair and nail mask made entirely from plant oils and butters, meant to deeply condition both hair and nails in a single product. You coat your hair and leave it on anywhere from 30 minutes to overnight, then shampoo it out.
Targeted at damaged, dry, or brittle hair and nails rather than daily maintenance. The formula is heavy on rich butters and oils, so it works more like an intensive treatment than a lightweight conditioner.
Every ingredient in the formula is edible. Butter Me Up Organics uses that as their baseline for non-toxic hair masks: if it wouldn't be safe to eat, it doesn't go in the jar.
Comes in a 4 oz glass jar. The brand refuses to use plastic packaging across their entire line, which also means no synthetic stabilizers; the texture will firm up in cold weather and soften in heat.
Each batch is handmade at a small studio in Livermore, California. The founder spent three years developing the recipes before launching and still makes everything in-house without outsourcing.

Meets the Welpr Standard

Nothing Else

Hair Mask

Free From: Fragrance Free
Highlights: For sensitive scalps, Deep repair, 0% water, No synthetic silicones, Baobab oil, Money-back guarantee, Once weekly

8.2

Performance score

Where to buy

Nothing Else
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No water is added to the formula; mango seed butter and plant oils form the base instead.
Baobab oil nourishes hair and helps restore elasticity without a heavy feel, supporting a treatment for dry, brittle lengths.
For sensitive scalps, the unscented formula leaves out fragrance, harsh additives, and synthetic silicones.
The rich blend melts through parched strands and is made to leave brittle ends softer.
Cooler temperatures can make the mask firmer in the tube, while warmer conditions loosen it again.

Meets the Welpr Standard

Typology

Repairing Hair Mask

Free From: Cruelty Free
Certified: FSC Certified
Highlights: Repairs hair fiber, Reduces split ends, For dry, brittle hair, Silicone free, 98% naturally derived, Made in France, All hair types, Recycled aluminum tube

8.2

Performance score

Where to buy

Typology
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Suited to all hair types, with particular relevance for lengths that have become dry, rough, or weak after heat, UV exposure, or coloring.
Biomimetic ceramides integrate into the hair fiber’s lipid cement to restore cuticle cohesion. By filling gaps in the cuticle, they smooth the surface and help make split ends look less visible.
Avocado oil is used for deep nourishment with a lighter feel than other vegetable oils, helping the mask nourish lengths without weighing them down.
The creamy texture coats the hair fiber, spreads easily through the lengths, and rinses away without a greasy film. Hair feels softer and more flexible to the touch.
Ho wood and yellow mandarin plant extracts give it a subtle, sweet, comforting fragrance with woody and fresh notes.

Meets the Welpr Standard

Living Libations

Organic Wildcrafted Honey Myrtle Deep Conditioning Hair Mask

Free From: Cruelty Free
Highlights: Cruelty-free, Made in Canada, Hypoallergenic, Recyclable packaging, Compostable packaging, For Moisture & hydration, Deep conditioning

8.1

Performance score

Where to buy

Amazon
See price

Pros

Whipped texture melts into hair and softens strands immediately, making detangling noticeably easier.
Works well as a mask, conditioner, or leave-in treatment, so you can use it multiple ways.
Reduces frizz and leaves hair shiny and soft, especially on dry or chemically treated hair.
Lightweight feel for a hair mask; it doesn't weigh hair down.

Cons

The container is very small, and you go through it quickly, especially on longer or thicker hair.
Scent is polarizing: some love the herbal and floral notes, while others find it unpleasant or unfamiliar.
Can have a straightening effect on wavy or fine hair, reducing volume and body.

A thick, oil-based conditioning mask made with herbs, essential oils, and aloe that can be used three ways: as a quick rinse-out conditioner, a 15-minute to overnight deep treatment, or a leave-in styling product for ends.
Geared toward dry, damaged, or over-processed hair and dry scalp. The formula is built around emollient oils and botanical extracts aimed at restoring moisture, elasticity, and strength.
Comes in a small 50ml glass jar with a wooden lid, so it's not a high-volume product. At this size and price point, it's more of a weekly or monthly treatment than an everyday conditioner.
Among non-toxic hair masks, this one doubles as a styling agent you can apply to dry hair anytime, which is unusual for a deep conditioning treatment.
Hand-crafted in small batches in Canada. Living Libations sources directly from artisan distillers and family farmers and uses no fillers or diluters in their formulas; every ingredient is intended to be active.

Cocos Nucifera (Coconut)
Simmondsia Chinensis (Jojoba)
Spring Water
Aloe Barbadensis (Aloe Vera)
Sorbitan Olivate
Hippophae Rhamnoides (Seabuckthorn)
Fucus Vesiculosus (Bladderwrack Seaweed)
Tussilago Farfara (Coltsfoot)
Aesculus Hippocastanum (Horse Chestnut)
Avena Sativa (Oats)
Equisetum Arvense (Horsetail)
Urtica Dioica (Stinging Nettle)
Rosa Canina (Rosehips)
Melaleuca Uncinata (Honey Myrtle)
Jasminum Grandiflorum (Jasmine)
Santalum Album (Sandalwood)
Calendula Officinalis (Calendula)
Citrus Limon (Lemon)
Cananga Odorata (Ylang)
Salvia Officinalis (Sage)
Rosmarinus Officinalis (Rosemary)

Meets the Welpr Standard

Qet Botanicals

Nutri-Pomade & Mask with Shea & Coconut

Free From: Cruelty Free, Formaldehyde Free, Heavy Metal Free, Paraben Free, Phthalate Free, Sulfate Free
Certified: EWG Verified, Leaping Bunny, USDA Organic
Highlights: Vegan, Cruelty-free, Pregnancy safe, Breastfeeding safe, No synthetic fragrance, Recyclable packaging, For Moisture & hydration, Overnight, Protein treatment

8.1

Performance score

Where to buy

Amazon
See price

Three products in one: it works as a daily styling pomade, a weekly deep-conditioning hair and scalp mask, or a leave-in conditioner for dry ends and flyaways.
Thick and coarse hair types, including curly hair, tend to benefit most, though it works across hair types. It's also used on beards and facial hair.
The solid pomade melts between your fingertips before application, so a little goes a long way. It feels light once worked into hair rather than heavy or greasy, with a subtle floral and nutty scent.
Most conventional pomades rely on synthetic waxes, silicones, and fragrances for hold and texture. This one uses plant butters and oils instead, so it conditions while it styles. Among non-toxic hair masks, it's unusual to find one that doubles as a daily styling product.
Any leftover product on your hands can be rubbed into your palms and cuticles as a moisturizer, which is a practical bonus for hairstylists or anyone with dry hands.
Qēt Botanicals formulates and hand-batches everything in-house rather than outsourcing to a contract manufacturer, and each product gets a "freshest before" date since there are no synthetic preservatives extending shelf life.

Meets the Welpr Standard

Rahua

Omega 9 Hair Mask

Free From: Cruelty Free, Paraben Free, Phthalate Free, Sulfate Free
Highlights: Vegan, Cruelty-free, Made in USA, For Damage repair, Deep conditioning, Protein treatment

7.3

Performance score

Where to buy

Rahua
See price

Pros

Leaves hair noticeably soft and silky after use.
Works on both wet and dry hair and absorbs quickly without weighing hair down.
Pleasant scent that multiple people commented on positively.

Cons

The pump has a very small opening, making it slow to dispense enough product for longer or thicker hair.
The pump stops working well before the bottle is empty, leaving usable product trapped inside.
Can be too heavy for fine, straight hair when used as a deep conditioner.
The bottle runs out fast with regular use; one person got only three washes from it.

Professional-strength conditioning mask that penetrates the hair shaft rather than just coating it. The formula uses omega-9-rich plant oils with unusually fine molecules that bond to and repair the hair's inner cortex, not just the surface.
Works on all hair types but particularly suited for damaged, over-processed, or color-treated hair that needs structural repair, not just moisture.
Scented with lavender and eucalyptus, so it has an herbal, spa-like smell rather than a fruity or floral one. Rinses clean without leaving residue or weighing hair down.
Among non-toxic hair masks, this one doubles as a scalp treatment. You massage it into the scalp as well as through the lengths, so it's addressing follicle health alongside strand repair.
Rahua's signature oil is wild-harvested by Indigenous Amazonian women using a centuries-old process. The brand's Symbiotic standard requires that ingredients come from undisturbed virgin forest, are prepared using indigenous knowledge, and are purchased at prices that sustain those communities. Each product sold helps preserve an acre of rainforest.

How to Swap to Non-Toxic hair masks:

Here's how to swap to non-toxic hair masks:

What to know about hair masks

Hair masks are deep conditioning treatments that sit on your hair and scalp for extended periods, giving ingredients more time to absorb. Because they have prolonged contact with your skin and are often used near your face, the formulation is worth a close look.

Many hair masks rely on synthetic fragrances, harsh preservatives, or unnecessary conditioning agents (quats) that can irritate skin over time.
Welpr focuses on clean formulations, safe preservatives, and natural or fully disclosed fragrance sources when vetting hair masks.

Review what you already use

Check the hair masks you currently own using the Welpr Personal Care and Cosmetic Scanner. It takes a picture of your ingredient label and flags anything that may not meet Welpr's standards.

Look at the ingredient list for "fragrance" or "parfum" — these often indicate undisclosed synthetic fragrance blends.
Start with the hair mask you use most frequently, since repeated use means more cumulative exposure.

Use your current hair mask more safely

If you're not ready to replace your hair mask right away, small adjustments can reduce how much your skin absorbs. This is especially worth doing if your mask contains synthetic fragrance or harsh preservatives.

Apply the mask mainly to mid-lengths and ends rather than directly on your scalp, where skin absorption is highest.
Follow the recommended timing on the label — leaving a mask on longer than directed increases unnecessary exposure.

Choose a cleaner hair mask

Look for hair masks with simple, purposeful ingredient lists. Fragrance-free options or those scented only with essential oils or plant extracts are a good starting point. Certifications like EWG VERIFIED™ or MADE SAFE® are helpful signals but aren't the only thing Welpr looks for.

Avoid products listing "fragrance," "parfum," parabens, PEGs, or harsh sulfates — and look for gentle conditioning agents like behentrimonium methosulfate instead of other quats.
Click the button above to shop Welpr Approved hair masks.

Camille May

Cofounder & Product Curator

Camille May is the co-creator of Welpr and a guide for clean living. After selling her last company in the health food space, she went non-toxic while working to heal an autoimmune condition....

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Olushola M. Awoyemi

Medical Reviewer, PhD

Olushola M. Awoyemi (aka Shola) is a board-certified toxicologist and a research scientist with a PhD in Environmental Toxicology. Shola's long-term ambition is to be recognized as a world-renowned expert in toxicology,...

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