3 ms·
> But I've never about even one conducted double blind randomized controlled trial. Their active ingredients (e.g. salicylic acid, benozyl peroxide) have recei
by jasonhansel 4y ago
> But I've never about even one conducted double blind randomized controlled trial.
Their active ingredients (e.g. salicylic acid, benozyl peroxide) have received FDA approval (in various forms); it would be illegal to market them as acne treatments otherwise.
- KenShang 4y agoWhat is your point? Do you think I promote unapproved ingredients? Of course, manufacturers do not use toxic ingredients, and of course, the active ingredients should be approved. How does it say that skincare manufacturers should conduct a randomized controlled trial?