[ertyjnbvcxzxcvbnm]

Miedzi można używać cały rok. To serum powinno wręcz wzmacniać naturalną ochronę skóry przed UV.
Dla ciekawych: podsumowanie czego się można spodziewać po peptydzie miedziowym https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6073405/
W skrócie:

Up-to-date, it is established that GHK-Cu is able to:
Tighten loose skin and reverse thinning of aged skin
Repair protective skin barrier proteins
Improve skin firmness, elasticity, and clarity
Reduce fine lines, depth of wrinkles, and improve structure of aged skin
Smooth rough skin
Reduce photodamage, mottled hyperpigmentation, skin spots and lesions
Improve overall skin appearance
Stimulate wound healing
Protect skin cells from UV radiation
Reduce inflammation and free radical damage
Increase hair growth and thickness, enlarge hair follicle size