The foam itself is not harmful, but it means peptide molecules are trapped at the air-liquid interface, which is a suboptimal state
[3] Collagen peptides also stimulate fibroblast activity, which boosts the production of collagen and other proteins in the scalp
There is no down time, and you will feel the effect as quick as the next day, for some, even the day of
Its foundational mechanismscentered on VEGFR2 activation and systemic cytoprotectionprovide a compelling scientific basis for its observed benefits in both gastrointestinal healing and central nervous system stabilization
PubMed abstract and review article: Novo Nordisk
The authors graded the human evidence at the two lowest tiers science recognizes, and noted that no clinical safety data exist at all