Recommended use level: 0.1-3.0%
Anallerg THD is 95% Tetrahexyldecyl Ascorbate, which is an oil soluble vitamin C derivative.
Tetrahexyldecyl Ascorbate has high stability and is not easy to be oxidized, it has excellent anti-oxidation properties and can inhibit melanin production and promote collagen synthesis.
Efficacy: Whitening and brightening, anti-aging, anti-spot, UV protection.