Is Cosmia Detangling Treatment safe for sensitive scalps or for those allergic to fragrances?

The product is designed for normal to color-treated hair, but it contains fragrance allergens (linalool, citronellol, geraniol) and benzyl alcohol, which can cause irritation in sensitive scalps; a patch test is recommended before regular use.

What role does Polysilicone-15 play in this detangling spray?

Polysilicone-15 acts as a UV-filter that forms a thin film on hair fibers, helping to protect color pigments from fading caused by sunlight while also providing a smoothing effect.

How often should this detangler be applied and does it contain any controversial chemicals?

Apply to damp hair after washing, distribute evenly and comb through; it can be used after each wash or as needed, typically every 2–3 days. The formula includes cetrimonium chloride, benzyl alcohol, and fragrance allergens, which are not highly hazardous but may be considered controversial by consumers seeking fully natural or preservative‑free products.

Cosmia • 0.25 l

Soin démêlant technique color

Beauty

Product Insights

Cosmia Detangling Treatment for Color-Treated Hair is a 250 mL leave-in conditioner formulated with conditioning agents such as cetearyl alcohol, cetyl alcohol, and quaternary polymers that smooth the hair cuticle and help reduce breakage during styling. The formula also contains fragrance components (linalool, citronellol, geraniol) and preservatives like benzyl alcohol and cetrimonium chloride, which may irritate sensitive scalps or trigger allergic reactions in fragrance-sensitive individuals. Although the product carries a green label and includes vegan-compatible ingredients such as water and propylene glycol, the overall vegan status is unclear due to several proprietary chemicals and it is not certified cruelty-free.

Comparative Analysis

Positioned as a professional-grade detangler for color-treated hair, this product stands out by combining multiple conditioning polymers with UV-filter Polysilicone-15 for color protection, while its fragrance and synthetic preservatives may limit appeal to sensitive users.

Ingredients

Aqua, Cetearyl Alcohol, Dipalmitoylethyl Hydroxyethylmonium Methosulfate, Benzyl Alcohol, Cetyl Alcohol, Cetrimonium Chloride,Ceteareth-20, Parfum, Quaternium-80, Propylene Glycol, Polyquaternium-37, Hydroxyethylcellulose, Ethylhexylglycerin, Polysilicone-15, Polyquaternium-16, Benzyl Salicylate, Linalool, Alpha-isomethyl Ionone, Citronellol, Geraniol, Glycerin, Sodium Hydroxide, Punica Granatum Fruit Juice, PEG-40 Hydrogenated Castor Oil, Trideceth-9, Tocopherol, Sodium Benzoate, Lactic Acid, Potassium Sorbate.

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