Why are #PTR acne products so effective? Peter Thomas Roth launched his skin care line after he was unable to find effective products to treat his personal skin care concerns, which began with acne. Working with his chemists at his state-of-the-art lab and manufacturing facility, Peter formulates with the most powerful ingredients at the maximum strength possible and is committed to delivering on his philosophy: Breakthrough formulas. Astonishing results ✨ Shop acne-clearing PTR essentials @Seph