Similar to β-arbutin, α -arbutin inhibits the production and deposition of melanin, removing spots and freckles. The results showed that α -arbutin could inhibit the activity of tyrosinase at low concentrations, and its inhibitory effect on tyrosinase was better than that of β -arbutin. α arbutin does not produce toxic, irritating, sensitizing, and other side effects on melanocytes, but also has bactericidal and anti-inflammatory effects. Compared with β -arbutin, and deoxyarbutin, α-arbutin has better photostability and solubility.
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|Items||Alpha Arbutin||Beta Arbutin|
|Whitening Function||Can effectively inhibit melanin at lower concentration, whitening effect is 10 times compare with Beta Arbutin.
Recommend add amount 0.2-2%
|<3% add amount,the whitening effect is not obvious|
|Stability||Higher stability, less prone to discoloration and degradation||Easily degradable|
|Optical rotation||+ 176.0°- +184.0°||-63°~-67°|
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