Beauty ingredients explained in plain English

Benzimidazole is not a typical skincare ingredient and has limited safety data for cosmetic use; it is best avoided in leave-on products until more research is available.

Boronophenylalanine HCl is a synthetic amino acid derivative with very limited cosmetic use; its role in skincare is not well-documented and it is not a standard ingredient in consumer products.

Cow blood clot extract is a rare, animal-derived ingredient with limited evidence for skin benefits and significant ethical and safety concerns.

This is a lab growth medium for cells, not a skincare ingredient you apply directly—its presence on a label usually means it's a trace residue from biotech production.

Denatonium benzoate is a safety ingredient that makes products taste unbearably bitter to discourage accidental swallowing, but it has no direct skin benefit.

Erbium Chloride is a rare-earth salt with very limited cosmetic application; its safety and efficacy in skincare are not well-documented.

Indocyanine Green is a medical dye with no established role in everyday skincare; its use in cosmetics is experimental and not recommended for routine application.

MEL is an ambiguous label that likely refers to a melanin derivative or a typo; its benefits and safety are not well-documented.

Piperonyl Butoxide is a synthetic ingredient rarely used in mainstream skincare; it functions mainly as a synergist in anti-lice or insect-repellent products and is not a typical cosmetic active.

Vinylstyrene is not a common skincare ingredient; it is a synthetic monomer used in industrial polymers and nail products, with limited safety data for direct skin contact.