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Scaly patches or persistent roughness of the lips may be present
Therefore, we recommend a high-SPF sunscreen during your treatment period
The "Long R3" refers to two key modifications: an arginine substitution at position 3 and a 13-amino acid N-terminal extension
The concentration of glutathione in topical products matters significantly, with higher concentrations generally showing better results
This is a dual-action effect: it builds new collagen while simultaneously protecting existing collagen from degradation
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