Based on its formula, is this shampoo safe for sensitive, acne‑prone, or dry scalp types?

The product uses milder surfactants like Cocamidopropyl Betaine and Decyl Glucoside, which are generally gentle, but it also contains Sodium Laureth Sulfate and a synthetic fragrance that can cause irritation on very sensitive or acne‑prone scalps, so a patch test is recommended.

What is the specific role and benefit of Cocamidopropyl Betaine in this shampoo?

Cocamidopropyl Betaine is an amphoteric surfactant that boosts foam, reduces the harshness of primary cleaners, and helps maintain the hair’s natural moisture balance, making the wash feel smoother and less drying.

What is the optimal application frequency for this shampoo, and does it contain controversial chemicals?

It can be used daily or every other day for normal hair; however, it does contain Sodium Laureth Sulfate, PEG‑7 Glyceryl Cocoate and synthetic colorants, ingredients some consumers consider controversial due to potential irritation or environmental concerns.

Cosmia • 0.4 l

Shampoing extra doux

Beauty

Product Insights

Shampoing extra doux is an extra‑gentle 400 ml shampoo manufactured in Spain and sold at Auchan, formulated with a blend of mild surfactants such as Cocamidopropyl Betaine, Decyl Glucoside and PEG‑7 Glyceryl Cocoate that help cleanse while preserving moisture. The formula also includes conditioning agents like glycerin, vitamin E and a small amount of argilla extract, but it contains a high‑level anionic surfactant (Sodium Laureth Sulfate), synthetic fragrance, colorants (CI 19140, CI 15985, CI 42090) and several polymers that may irritate very sensitive scalps. Overall it targets normal to slightly dry hair with a balanced cleaning performance, yet users with fragrance allergies or highly reactive skin should test it before regular use.

Comparative Analysis

Positioned as a budget‑friendly, everyday gentle cleanser, this shampoo competes in the mass‑market segment of extra‑gentle hair care products, offering a mild surfactant blend while still containing traditional cleansing agents that many premium brands have begun to avoid.

Ingredients

Aqua, Sodium Laureth Sulfate, Sodium Chloride, Cocamidopropyl Betaine, PEG-7 Glyceryl Cocoate, Decyl Glucoside, Parfum, Citric Acid, Styrene/Acrylates Copolymer, Propylene Glycol, Polyquaternium-7, Coco-glucoside, Cocamide MIPA, Laureth-4, Soy Acid, Glycerin, Argilla Extract, Citrus Limon Juice, Capric Acid, Caprylic Acid, Sodium Benzoate, Potassium Sorbate, Alpha-isomethyl Ionone, Linalool, Benzoic Acid, Ethylhexylglycerin, Tocopherol, CI 19140, CI 15985, CI 42090

84%

35%

Unlock Deep Cosmetic Safety Check

Scan this and millions of other cosmetics with the free NutrScan app to discover ingredient safety, potential concerns, and detailed product analysis before every purchase.