Hydrochloric Acid
Hydrochloric Acid is a buffering ingredient. It’s in 61 products on Poliage, most often shampoo. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
In plain English
Hydrochloric acid: used to hold the pH steady.
What it does
Contains Hydrochloric Acid: buffering
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 34321, accessed October 22, 2026. Also listed as acidum hydrochloricum and hydrogen chloride.
Products that contain Hydrochloric Acid
Head & Shoulders
Shampooing antipelliculaire Extra Volume
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Instant Apaisement
Lists fragrance, fragrance allergens, essential oils, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Instant Dry Scalp Care
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Instant Relief Apaisement
Lists fragrance, fragrance allergens, essential oils, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Lisse & Soyeux
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Lisse & Soyeux (maxi pack)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Menthol Fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Menthol Fresh (maxi pack)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire NatureFusion Soin Nourrissant
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire pour homme (maxi pack)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire Sensitive
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire sensitive (maxi pack)
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Shampooing antipelliculaire sensitive Head and Shoulders
Lists fragrance allergens, drying alcohol, sulfates, silicones, coconut derivatives
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