PROMOTIONS: FREE Shipping on Everything | 50% Off Select Sun Care | 3 FREE Samples

 aminobutyric acid

Amino acid that has water-binding properties for skin and may be an anti-inflammatory. It supposedly also increases growth hormone when taken orally, but the only support for this is a single obscure study that was conducted more than two decades ago on fewer than 20 subjects, and the results have yet to be replicated by other scientists.