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)
Sources: Liang Y et al
When side effects occur, they are usually mild and temporary
They claim to increase metabolism by raising the fat-burning mechanism, thereby contributing to weight reduction 12 , 14
It protects against free radical damage and environmental stressors, contributing to a more youthful and resilient complexion
As a result, the new mitochondria formed after fusion have mtDNA pools, differences in membrane potential, and a diversity of proteins compared to the mitochondria before fusion (Zhou et al., 2021)