[DOI] [PubMed] [Google Scholar] 106.Tang Y, Arbaugh B, Park H, Scher HB, Bai L, Mao L, et al
The peptides hormonal relevance remains theoretical and based on its effects on upstream factors (inflammation, vascular health, gut integrity) rather than direct HPG axis stimulation
Gastrointestinal protection studies
Cristello was created using the same proven principles explained above: Glutathione for whole-face brightness Vitamin C for glow enhancement Kojic Acid for fading dark spots and tan Niacinamide to control pores and acne Oil-regulating cleansers for a matte, non-sticky finish It's designed to be an effective, easy option for anyone who wants visible improvement in clarity, glow, and oil balance
Injection-site reactions Some users report mild redness, stinging, or a small bump at the injection site