vitamin c for lips Lip Smoothie + Peptide Lip Balm sourced ingredients COSRX - Refresh AHA BHA

100% stimulant-free zero caffeine

Liao XB, Zhou XM, Li JM, Tan ZP, Liu LM, Zhang W, et al

US customers should be aware that the FDA Section 503A bulks list classification (and the April 2026 reclassification of twelve compounds) only governs compounding pharmacies, not direct-to-researcher imports for non-clinical work

They do not typically require refrigeration like lyophilized injectable peptides, making them more convenient for long-term storage

Collagen and vitamin C are often included to support skin elasticity and radiance, and alpha-lipoic acid adds further antioxidant protection

Every cell in your body contains this molecule, but the highest concentrations are found in the liver