Lecithin

Bäst

Mjukgörare

Lecithin omedelbart

  • Assists in improving skin’s moisture retention
  • Is also emulsifying agent
  • Long track record of safety in skin care products
  • Can also be used to encapsulate key ingredients to achieve improved dermal delivery
  • Typically derived from soy, sunflower and rapeseed in cosmetic formulas

Lecithin beskrivning

Lecithin in skin care formulations serves a variety of roles including functioning as an emollient (think softening), water-binding agent (to boost hydration), and emulsifying agent (to help water + oil ingredients mesh better in a formula). Lecithin is naturally present in many living organisms, but in cosmetic formulas it’s almost always derived from plants such as soy, sunflower or rapeseed. Lecithin’s beneficial components include phospholipids (which convey skin-restoring benefits), fatty acids and triglycerides that can help replenish skin. Lecithin can also be used to encapsulate a wide range of active ingredients allowing for a better dermal delivery system. Lecithin’s appearance as a raw material varies based on the origin and extraction process, but in cosmetic use it typically presents as a viscous liquid or as powder. In a safety assessment conducted in 2020, the highest concentration of lecithin that was reported was 50% in a leave-on foot product, which was deemed safe. Facial skin care products typically safely contain much lower concentrations than that, usually between 0.5-2%.

Lecithin referenser

  • Cosmetics, November 2020, pages 1-19
  • International Journal of Toxicology, September 2020, pages 5S-25S
  • Molecules, March 2020, pages 1-9
  • Journal of the American Oil Chemists' Society, March 2014, pages 1,093-1,101
  • Scientia Pharmaceutica, July 2013, pages 1,151-1,166

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingrediensrankning

Bäst

Effektiv och bevisad genom oberoende studier. Enastående aktiv ingrediens för de flesta hudtyper eller hudbesvär.

Bra

Nödvändig för att förbättra en formulas struktur, stabilitet eller penetration.

Genomsnittlig

Vanligtvis inte irriterande, men kan ha estetiska, stabilitets- eller andra problem som begränsar dess användbarhet.

Dålig

Det finns en risk för irritation. Risken ökar när den kombineras med andra ingredienser som kan orsaka irritation eller inflammation.

Sämst

Kan ge upphov till irritation, inflammation, torrhet och andra oönskade effekter. Kan ha vissa fördelar men har i allmänhet visat sig göra mer skada än nytta.

okänd

Vi kunde inte hitta detta i vårt ingredienslexikon. Vi registrerar alla saknade ingredienser och gör kontinuerliga uppdateringar.

Inte betygsatt

Denna ingrediens har inte blivit rankad eftersom vi inte har haft möjlighet att granska den aktuella forskningen.