I would ???? percent go with number one.
I have 4 coming too. Couidn't resist the Totale
I layer .1 and. 0.05 retinaldehyde nightly. With 1% retinol you might want to mix it with a+
Vanilla Vinaigrette +
Anyone want to host the Oscars?+
The average is 60% or so. It really all depends where you live+