Ph
Phytosteryl Macadamiate
Phytosteryl MacadamiateBarrier
A rich softening ingredient made from plant fats and macadamia oil. It has a cushiony feel and helps give creams body.
The evidence, graded
expert consensusUS safety reviewers (final report, 2014) list what plant sterols do in cosmetics: condition skin and hair, thicken, protect skin, act as antioxidants and add scent. In irritation tests and several human allergy tests they caused no irritation or allergy, even undiluted, and the reviewers saw little reason for concern about hormone-like effects from skin contact. They judged phytosterols and related sterol esters, phytosteryl macadamiate among them, safe as used in cosmetics.Becker 2014 · Cosmetic Ingredient Review ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
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