Patent Pick: Straight Up Hair Styling

Young Asian Woman Straight Hair850

According to Kao inventors, the right combination of chemistry and mechanical straightening can yield semi-permanent hair straightening effects. For example, it was recently discovered carboxylic acids having a carbonyl group adjacent to the carboxy group, such as glyoxylic acid, and that are known buffering agents in cosmetics may semi-permanently straighten hair when paired with mechanical straighteners.

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