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Repeat testing reveals different ingredients in various batches of the same product

Adding multiple additional compounds creates complexity that makes it impossible to identify what is working (or causing problems)

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4 A 2025 mechanistic study using RAMP1/RAMP3 knockout mice demonstrated this dependence directly: cagrilintide activated area postrema neurons and reduced body weight in wild-type animals but had essentially no effect in mice lacking these receptors, pinning its action to the AMY and AMY subtypes in the hindbrain

Palmitoyl Tripeptide-1/Pal-GHK acts on the dermis layer, can promote the synthesis of extracellular matrix such as collagen and glycosaminoglycans, strengthen the dermis layer, make the skin thicker, firmer, wrinkles soothed, and the ability to resist ultraviolet radiation is stronger