3 ms·
technically UVB is much more tanning than UVA. UVA tans for a short amount of time. UVA penetrates much deeper into the skin though and has few benefits (UVB st
by pazimzadeh 2mo ago
technically UVB is much more tanning than UVA. UVA tans for a short amount of time. UVA penetrates much deeper into the skin though and has few benefits (UVB stimulates Vitamin D synthesis).