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

The formulation contains Sodium Laureth Sulfate and fragrance allergens such as linalool, limonene and benzyl alcohol, which can irritate very sensitive or acne‑prone scalps, while the added panthenol and glycerin help moisturize dry hair; therefore it is generally suitable for normal to oily hair but may not be the best choice for extremely sensitive or dry scalp conditions.

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

Amodimethicone is a silicone that forms a lightweight, water‑resistant film on hair fibers, sealing the cuticle to lock in color pigments, reduce friction, add shine and improve manageability without excessive heaviness.

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

For color‑treated hair, using the shampoo two to three times a week or after each coloring session is recommended; the product does contain sulfates, silicone polymers, fragrance components and preservatives such as sodium benzoate, which some consumers consider controversial, so thorough rinsing is advised.

Henkel, Syoss, Saint Algue, Schwartzkopf & Henkel • 500 ml

Syoss Color Protect Shampooing

Hair

Product Insights

Syoss Color Protect Shampoo is a 500 ml plastic‑bottled formula that cleanses while preserving dyed hair, using surfactants such as Sodium Laureth Sulfate and Cocamidopropyl Betaine together with conditioning agents like Amodimethicone, Panthenol, Hydrolyzed Keratin and Apricot Kernel Oil. The silicone film formers and protein hydrolysates aim to seal the cuticle, reduce fading and add shine, while glycerin and panthenol provide moisture and softness. However, the product also contains fragrance allergens (linalool, limonene, benzyl alcohol), a high‑strength sulfate surfactant and several synthetic polymers, which may irritate sensitive scalps or cause buildup over time.

Comparative Analysis

Positioned as a color‑protect shampoo for dyed hair, it combines silicone film formers with protein hydrolysates to extend vibrancy, setting it apart from standard cleansing shampoos that lack targeted conditioning.

Ingredients

Aqua, Sodium Laureth Sulfate, Cocamidopropyl Betain, Sodium Chloride, Amodimethicone/Morpholinomethyl Silsesquioxane Copolymer, Hydrolyzed Keratin, Prunus Armeniaca Kernel Oil, Panthenol, PEG-7 Glyceryl Cocoate, Disodium Cocoamphodiacetate, Glycol Distearate, Citric Acid, Sodium Benzoate, Cocamide MEA, Dimethicone, Laureth-4, PEG-40 Hydrogenated Castor Oil, Parfum, Guar Hydroxypropyltrimonium Chloride, Hydrogenated Castor Oil, PEG-120 Methyl Glucose Dioleate, Linalool, Glycerin, Trideceth-5, Laureth-23, Benzyl Alcohol, Limonene, Propylene Glycol, Mica, CI 77891.

84%

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