Lecithin

OKemulsifier

An emulsifier and skin-conditioning agent that helps stabilize formulations and improve texture.

What is Lecithin?

CAS Number

97281-47-5

Formula

C42H80NO8P

Molecular Weight

758.1 g/mol

Also known as: LECITHIN, Lecithin (NF), Lecithin [NF], Granulestin, Ovovitellin

What does Lecithin do for skin?

Lecithin, primarily composed of phospholipids, acts as a versatile emulsifier in cosmetic formulations, reducing interfacial tension between immiscible phases (oil and water) to create and stabilize emulsions. On the skin, its amphiphilic nature allows it to function as a skin-conditioning agent, contributing to barrier repair and hydration by integrating into the lipid lamellae of the stratum corneum. Moreover, lecithin is a crucial component in advanced delivery systems like liposomes and nanosomes, encapsulating active ingredients and facilitating their enhanced penetration into the epidermis, thereby improving their bioavailability and efficacy.

Typical concentration: 0.5-10% (most formulas use 1-5% for emulsifying or skin conditioning purposes; higher concentrations may be used in specialized delivery systems).

Is Lecithin safe?

The CIR (Cosmetic Ingredient Review) Expert Panel has assessed Lecithin and related phospholipids as safe for use in cosmetics. It is generally well-tolerated with low potential for irritation or sensitization.

What does the research say about Lecithin?

Regulatory Info

Status: Approved
Restrictions: Lecithins. The complex combination of diglycerides of fatty acids linked to the choline ester of phosphoric acid
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Frequently Asked Questions

What does Lecithin do in skincare?+

An emulsifier and skin-conditioning agent that helps stabilize formulations and improve texture. Lecithin, primarily composed of phospholipids, acts as a versatile emulsifier in cosmetic formulations, reducing interfacial tension between immiscible phases (oil and water) to create and stabilize emulsions. On the skin, its amphiphilic nature allows it to function as a skin-conditioning agent, contributing to barrier repair and hydration by integrating into the lipid lamellae of the stratum corneum. Moreover, lecithin is a crucial component in advanced delivery systems like liposomes and nanosomes, encapsulating active ingredients and facilitating their enhanced penetration into the epidermis, thereby improving their bioavailability and efficacy.

Is Lecithin safe for sensitive skin?+

The CIR (Cosmetic Ingredient Review) Expert Panel has assessed Lecithin and related phospholipids as safe for use in cosmetics. It is generally well-tolerated with low potential for irritation or sensitization.

What percentage of Lecithin should I look for?+

Look for products with 0.5-10% (most formulas use 1-5% for emulsifying or skin conditioning purposes; higher concentrations may be used in specialized delivery systems). for clinical efficacy.