Does skinB5 conduct animal testing? SkinB5™️ Help Centre (HQ) May 05, 2019 04:23 Updated No. We do not test on animals. Related articles My skin is DRY, what would you recommend? I took Zinc before (hair skin nail vitamin) and I stopped taking after feeling nausea after taking it. SkinB5 supplements contain Zinc and I feel nausea after taking it as well. I'm trying to take skinB5 with isotretinoin. Would this be okay? I have oily skin, and take 1 Extra Strength Vitamin twice a day for one month, and I don't see any improvement on my skin, should I change the dosage? What is the best skinB5 treatment for hormonal acne? Comments 0 comments Please sign in to leave a comment.