Mix of phospholipids, usually from soy or sunflower. Natural emulsifier and carrier: aids active delivery into the stratum corneum and forms liposomal systems.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Phosphatidylcholine boosts stratum corneum permeability for hydrophilic actives and acts as a mild emollient. Native lecithin can be comedogenic on oily skin, so clean formulations often use the hydrogenated form.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
Use with caution
Lecithin is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Lecithin suits: normal, dry, sensitive. Use with caution in: oily.
Mix of phospholipids, usually from soy or sunflower.
On the Fulton scale 4/5 – high comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
The INCI name is Lecithin. It may also appear as: Soy Lecithin, Phosphatidylcholine, Лецитин.
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