Pierre's Apothecary Strengthening Biotin Collagen Conditioner
Yes. Yes, Pierre's Apothecary Strengthening Biotin Collagen Conditioner is sulfate-free.
No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
Why
Sulfates are foaming cleansers such as Sodium Lauryl Sulfate and Sodium Laureth Sulfate. Mineral salts like Magnesium Sulfate are not cleansers and do not count.
Yes, Pierre's Apothecary Strengthening Biotin Collagen Conditioner is sulfate-free. No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
Sodium C14-16 Olefin Sulfonate is a sulfonate, a close cousin of sulfates that is chemically not a sulfate. Some people who avoid sulfates avoid it too.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Water (Aqua), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Chloride, Phenoxyethanol, PEG-150 Distearate, Fragrance (Parfum), Benzyl Alcohol, Citric Acid, Argania Spinosa Kernel Oil, Biotin, Cocos Nucifera (Coconut) Oil, Copper Gluconate, Glycerin, Helianthus Annuus (Sunflower) Seed Oil, Hydrolyzed Collagen, Palmitoyl Tripeptide-1, Sclerocarya Birrea (Marula) Seed Oil, Tocopheryl Acetate, Dehydroacetic Acid, Butyrospermum Parkii (Shea) Butter, Hydrolyzed Keratin, Ricinus Communis (Castor) Seed Oil, Elaeis Oleifera Kernel Oil, Benzyl Benzoate, Hexyl Cinnamal, Limonene.
Highlighted names triggered a “No” on one of the six checks. Underlined names open the ingredient dictionary. Source list as recorded on Open Beauty Facts.
Data: Open Beauty Facts, community database, ODbL license. Last checked 23 Sept 2026. Barcode 0840472901814.