This isn't arbitrary it's the tested dosing pattern
(PubMed) Juraschek SP, Gaziano JM, Glynn RJ, et al
Best mineral SPF lip balm: TiZO Lip Protection SPF 45 SPF rating: 45 Key ingredients: Zinc Oxide 5.5% Titanium Dioxide 4% Price: $12.50/stick on Amazon Scented: No What we liked: Very slight tint but no white cast, moisturizing, pleasant lightweight texture, pocket- sized, not much fragrance What we didnt like: Mixed feelings on longevity, slight chemical taste, sweated a bit after several hours in a hot car, on the expensive side Mineral SPF lip balmsthose using only zinc oxide and/or titanium dioxide as their active ingredientsare, like all mineral sunscreens, hard to make completely clear
BPC-157 doesnt just mask painit actually accelerates healing by promoting cellular repair and regeneration
In muscle tear models, the combination addresses both the inflammatory response and the structural repair phase simultaneously with BPC-157 modulating pro-inflammatory cytokines (TNF-, IL-6) and oxidative stress markers, and TB-500 recruiting progenitor cells and mesenchymal cells to the post-injury site while BPC-157 drives their subsequent differentiation and organisation