protective membrane on the cell surface, bound molecule, strongly lock water
2) Trehalose can replac water in skin cells when skin loses water, protect skin cells from being damaged, increase the survival rate of cells
2. Anti-radiation
1) Trehalose enhances the anti-radiation ability of DNA, reduce DNA chains break
2) Radiation causes water molecule break down into free radical OH. Trehalose can remove free radicals OH, prevent DNA from being cut
3. Protect active ingredients in cosmetics
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