Devon Abelman, contributor More to know Types of vitamin C: 3-O-ethyl ascorbic acid, ascorbic acid (percentages undisclosed) Other key ingredients: 63% Hippophae rhamnoides water, 5% niacinamide, 2% tranexamic acid Fragrance-free: yes Best for Advanced Users: CosRx Advanced The Vitamin C 23 Why it's worth it: If youre not new to the vitamin C gamesay, youre ready to graduate from CosRxs lower-dose The Vitamin C 13 SerumCosRxs The Vitamin C 23 Serum turns things up with a potent 23% concentration of L-ascorbic acid (the pure, biologically active form of vitamin Cwhile ascorbic acid is the broader chemical name youll see on ingredient lists, it typically refers to this same L-form in skin care)
07 Label and refrigerate Write the reconstitution date on the vial
Repeating the above steps according to the amino acid sequence Fmoc-Thr (tBu) -OH, Fmoc-Asn (Trt) -OH, Fmoc-Ser (tBu) -OH, Fmoc-Gly-OH, Fmoc-Val-OH, Fmoc-Asn (Trt) -OH, Fmoc-Thr (tBu) -OH, Fmoc-Pro-OH, Fmoc-Leu-OH, Fmoc-Ile-OH, Fmoc-Pro-OH, Fmoc-Gly-OH, Fmoc-Phe-OH, Fmoc-Asn Trt-OH, (Fmoc-Asn Trt) -OH, Fmoc-Ser-Ser (Pro-me) -OH, Fmoc-His (Trt) -OH, Fmoc-Arg (Fmoc) -OH, Fmoc-Leu-OH, Fmoc-Phe-OH, Fmoc-Ser-Ser (Pro-me) -OH, Fmoc-me-OH, Fmoc-Pro-OH, Fmoc-Leu-OH, Fmoc-Phe-OH, Fmoc-Pro-OH, Fmoc-Pro-OH, Fmoc-Ser-OH, Fmoc-Ser-Ser, and/Pro-Ser-Ser, and/Pro-Ser-Ser, and/Pro-Ser-Ser, and P-Ser-Ser, Fmoc-Glu (OtBu) -OH, Fmoc-Ala-OH, Fmoc-Leu-OH, Fmoc-Arg (Pbf) -OH, Fmoc-Gln (Trt) -OH, Fmoc-Ala-Thr (pro-me-me) -OH, Fmoc-Cys (Trt) -OH, Fmoc-Thr-OH, Fmoc-Ala-OH, Fmoc-Thr (tBu) -OH, Fmoc-Asn (Trt) -OH, Fmoc-Cys (Trt) -OH, Fmoc-Lys (Boc) -OH, Fmoc-Glu-OtBu, Eicoside acid 1
There is no trial confirming this works as well as the full dose of both - it is a community pattern
Sheng YR, Hu WT, Wei CY, Tang LL, Liu YK, Liu YY, Qiu JP, Li DJ, Zhu XY
There is no oral form of this blend that survives digestion, which is another reason the protocol is framed entirely around a small subcutaneous dose