Nécessaire
Rosemary Leave-In Mask
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$60.00or 4 payments of $15.00 with 
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Standard size
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About the Product
Item 2940948
What it is: An advanced leave-in treatment mask with rosemary extract and 5% vegan keratin that smooths, softens, and strengthens hair immediately and over time.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Frizz
- Straightening and Smoothing
Key Benefits:
- Softer, smoother, healthier hair after first use
- Long-term strengthening, repair, and protection
- Minimizes frizz
Highlighted Ingredients:
- Rosemary Oil/Water/Extract: Strengthens hair at the root and nourishes the scalp.
- Vegan Keratin 5%: Strengthens, restructures, and fortifies weakened strands.
- 5 Plant Proteins: Protect hair from breakage.
Ingredient Callouts: This product is vegan and cruelty-free.
What Else You Need to Know: This leave-in treatment mask includes rosemary extract and conditioning agents that smooth, soften, and nourish. A concentration of five percent vegan keratin—with the same amino acid profile as natural keratin—strengthens and restructures weak, damaged hair for enhanced smoothness and vibrancy. It’s also dermatologist-tested, hypoallergenic, non-comedogenic, and color-safe.
Clean at Sephora
Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.
-Rosemary Oil/Water/Extract: Strengthens hair at the root and nourishes the scalp.
-Vegan Keratin 5%: Strengthens, restructures, and fortifies weakened strands.
-5 Plant Proteins: Protect hair from breakage.
Water/Eau/Aqua, Propanediol, Cetearyl Alcohol, Keratin Amino Acids, Glyceryl Stearate, Rosmarinus Officinalis (Rosemary) Leaf Oil, Rosmarinus Officinalis (Rosemary) Leaf Water, Rosmarinus Officinalis (Rosemary) Leaf Extract, Hydrolyzed Moringa Oleifera Seed Extract, Hydrolyzed Jojoba Protein, Hydrolyzed Rice Protein, Hydrolyzed Pea Protein, Hydrolyzed Quinoa, Hydrolyzed Vegetable Protein, Ceramide AG, Ceramide AP, Ceramide EOP, Ceramide NP, Ceramide NG, Tocopherol, Acetyl Tetrapeptide-3, Biotin, Niacinamide, Butylene Glycol, Cholesterol, Panthenol, Hydroxypropyl Starch Phosphate, Trifolium Pratense (Clover) Flower Extract, Persea Gratissima (Avocado) Oil, Cocos Nucifera (Coconut) Oil, Dicaprylyl Ether, Cetrimonium Chloride, Glycerin, Tocopheryl Acetate, C13-15 Alkane, Sodium Gluconate, Hydrogenated Lecithin, Behentrimonium Chloride, Sclareol, Dipropylene Glycol, Dextran, Ethylhexylglycerin, Potassium Sorbate, Sodium Benzoate, Citric Acid, Phenoxyethanol, Fragrance (Parfum), Citrus Aurantium Bergamia (Bergamot) Peel Oil, Citrus Aurantium Dulcis (Orange) Peel Oil, Lavandula Angustifolia (Lavender) Oil, Juniperus Virginiana (Cedarwood) Oil, Alpha-Isomethyl Ionone, Limonene, Beta-Caryophyllene, Terpineol, Tetramethyl Acetyloctahydronaphthalenes, Camphor, Pinene, Linalyl Acetate, Alpha-Terpinene, Terpinolene, Linalool.
The list of ingredients is subject to change. Please consult the packaging of the product purchased.
-After shampooing (skip conditioner), apply on damp to dry hair and leave on for four to five minutes before styling, no need to wash out or brush through the hair.
-For use one to two times per week or as needed.
Recycling Instructions:
-Nécessaire has partnered with How2Recycle to provide third-party verified recycling claims. -The bottle is made from 100% bio-resin.
-The bottle is recyclable. The pump-system is not recyclable.
-The carton and insert are made with FSC-Certified, PCR Kraft Board.
-Bottle and carton can be recycled via US | Canada Curbside.
-Nécessaire is a Certified B Corp, Certified Climate Neutral, Certified Plastic Neutral and a 1% For The Planet Member donating 1% of all sales to environmental non-profits fighting to defend our air, land, water and wild-life worldwide. When you shop Nécessaire, the full carbon and plastic footprint has been offset by the brand.
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At Nécessaire, we design the personal care items we truly need (the necessary) that are good for our health and support our wellness. We use our business to make a positive environmental impact everywhere we can, always striving to give us much as we take to truly be sustainable. Nécessaire is Climate Neutral Certified and a 1% fFor tThe Planet mMember.