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They should start with smaller doses
Daily use of glycolic acid is generally safe at low concentrations (around 1-5%) and for those with resilient skin
Reports suggest that pale or fair-skinned users sometimes see subtle changes in just a few days, with more noticeable tanning results after one to two weeks of consistent use and UV exposure
By harnessing the potential of GHK-Cu, the product effectively supports skin cell longevity, helping to maintain a youthful appearance and improve skin resilience over time
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