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Avoid products containing potent alpha hydroxy acids, beta hydroxy acids and retinol, Galamgam said.

“Many of these products are formulated for adults and contain harsh ingredients, such as hydroxy acids, retinoids and artificial fragrances, which are too aggressive for young, delicate skin and can cause irritation or long-term damage.”

But many of its bestsellers, which cost about £60 each, contain exfoliators such as alpha and beta hydroxy acids and vitamin-A derivative retinol.

Furthermore, the new platinum complex could catalyze the hydroxy/alkoxy alkylation of olefins -- a reaction that could not be catalyzed with existing well-known ligands.

Superfrau contains lactic acid, an alpha hydroxy acid found in moisturizers and serums.