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Since GHK-Cu levels naturally decline with age, ongoing periodic treatment helps maintain optimal tissue health and regenerative capacity
do not guess
Precautions when using salicylic acid The precautions on the use of salicylic acid are the same as mentioned above, avoid using the same ingredient on several products, stick to lower concentrations unless you are under medical supervision, and always use sunscreen with SPF 50
Even at high addition levels of 2%-5%, your formulation remains mild and undetectable
for now, athletes are free to take them
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