★What are main skincare benefits of L-Ergothioneine?
Ultra-stable free radical scavenger, anti-photoaging & anti-UV damage
Protect mitochondria & cell DNA, reduce oxidative aging
Brighten pigmentation, fade dark spots & red inflammation
Repair photodamage, calm sensitive skin & strengthen barrier
Synergize anti-aging with Pro-Xylane, peptides & retinol
★What is Solubility & formula stability of L-Ergothioneine
Easily soluble in water, insoluble in oil phase.
Extremely stable in wide pH range, not easy to oxidize, heat-resistant & light-stable, friendly to all water-based cosmetic formulas.
★What is the safe addition ratio of L-Ergothioneine in cosmetic end products?
Daily care: 0.1% – 0.3%
High-efficiency anti-aging/anti-spot: 0.3% – 1.0%
No irritation at normal working concentration, safe for sensitive skin
★Can L-Ergothioneine be used with sunscreen/UV ingredients?
Yes, perfectly compatible.
EGT repairs UV-induced oxidative damage & photo-sagging, greatly enhances anti-photoaging effect together with sunscreens. No fixed matching ratio required.
★Can L-Ergothioneine pair with Pro-Xylane, Ectoin, HA?
EGT + Pro-Xylane: Anti-oxidation + dermal anti-sagging, top anti-aging combination
EGT + Ectoin: Double barrier repair, anti-stress & anti-redness
EGT + HA: Deep hydration + long-term anti-oxidationZ
★L-Ergothioneine Day or night use?
Suitable for both morning & night, non-photosensitive at all.
Daytime: Anti-UV oxidation; Nighttime: Repair cellular aging damage.
★Is L-Ergothioneine safe & non-irritating?
Very mild, zero phototoxicity, low sensitization risk.
Approved safe by global cosmetic regulations, suitable for fragile & post-procedure skin.
★How to distinguish authentic L-Ergothioneine?
Check HPLC purity report (≥99% L-type active)
Verify natural fermentation source & chiral structure certificate
Avoid low-cost racemic mixtures with weak efficacy
★Is L-Ergothioneine allowed to be added to cosmetics in China, the EU, the US, South Korea, and Japan?
Yes, L-Ergothioneine (EGT) is legally allowed in cosmetics across China, EU, USA, South Korea and Japan.