Potentially, yes
The peptide isnt FDA-approved for medical use, as research is still in its early stages
For knee injections, 29G or 30G insulin syringes are the standard choice
Tripeptide-29, for example, is considered a collagen peptide and may promote the synthesis of healthy collagen while preventing the production of denatured collagen (collagen with proteins that have lost their structural integrity).44 The other ingredient, plant glycogen, or phytoglycogen, may promote the production of ceramides, which can support overall skin health (e.g., maintain hydration, reduce inflammation, etc.)43 45 Concerning the product as a whole and similar to our pick from The Ordinary NIOD lists the pH of CAIS3 on its product page: 5.7-6.7, the entire range of which is mildly acidic
These medications can help control appetite, increase feelings of fullness, or reduce fat absorption, but they are typically part of a comprehensive strategy that includes diet and exercise
Your skin absorbs the equivalent of 20% concentration