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Peptides are not FDA-approved drugs unless specifically indicated, and their use often falls under compounded or investigational therapies

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Comparing peptides

Most of the peptides used in cosmetics are designed to counteract the aging process of the skin

In sum, it is worthy to note that lipid peroxidation (LPO) products such as 4-hydroxynonenal (4-HNE) and malondialdehyde (MDA) arise as secondary messengers of oxidative stress, which is often counterbalanced by the cellular antioxidant defense system [133]