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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.

Top 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
See price

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

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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)

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.

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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