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Glutathione (GSH), a combination of three amino acids made by the body, had become a fad for skin bleaching

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Skin purging is a phenomenon that some people with breakout-prone skin can experience after using a leave-on exfoliant or a particular new ingredient for the first time.

How it works: Unlike oral glutathione, which is broken down in the digestive tract, the nasal spray bypasses digestion and delivers glutathione directly into the bloodstream through nasal absorption

With consistent use, this dual-action serum helps reveal visibly smoother, firmer, and more radiant skinon both face and neck