Both products were marketed and sold without prescriptions, without medical oversight, and without the regulatory framework that governs legitimate pharmaceutical distribution
The findings were disappointing: Only one study showed significant lightening, and that was limited to sun-exposed areas like the face and forearms One study found that 37.5% of subjects experienced temporary improvements, but within six months after stopping treatment, only 6.2% maintained lighter skin The effects were inconsistent across different body parts and age groups Researchers concluded that glutathione is not effective enough as a skin-whitening agent because effects were limited and unsustainable What Is Vitamin C and How Does It Brighten Skin
From manufacturing oversight to batch accountability, every step is intended to reduce uncertainty and provide researchers with the information they need to make informed purchasing decisions
You can explore our full range of peptides to see how this commitment to quality extends across every single product we offer
UKAS laboratory guidance
Hu X, Bao Y, Li M, Zhang W, Chen C
