Peter Thomas Roth Firmx Collagen Moisturizer in Beauty: NA. With 7 forms of Collagen and collagen-supporting ingredients, Peter Thomas Roth’s FIRMx Collagen Moisturizer helps skin appear firmer, smoother and more youthful. Marine Collagen, Plant Collagen, and Hydrolyzed Collagen help improve the look of fine lines, wrinkles and firmness while Hydroxyproline, Peptides, Collagen Amino Acids and Fatty Acids help boost results. A 5% Hyaluronic Acid Complex and Squalane leave skin feeling hydrated, supple and plump with moisture.In a 1-week consumer perception study on 29 women ranging in age 35 to 63:- 100% agreed skin looked smoother- 100% agreed skin looked healthy- 96% agreed skin felt moisturized- 93% agreed skin felt suppleIn a 4-week consumer perception study on 29 women ranging in age 35 to 63, users agreed:- Skin looked firmer, plump and youthful. Suitable for normal and mature skin. Helps improve the look of fine lines, wrinkles, and firmness. Improves hydration and locks in moisture. 1.7 fl oz/ 50 ml. Apply twice daily to cleansed face and neck with continued use. PTHO-WU73. 18-01-053. Peter Thomas Roth, CEO, founder and formulator of Peter Thomas Roth Clinical Skin Care, is an influential segment leader in the beauty industry and continues to corner the clinical market as a groundbreaking, results-focused innovator. Inspired by his family’s Hungarian spa heritage, Peter launched his eponymous skin care line after he was unable to find effective products to treat his personal skin care concerns. Today, Peter’s comprehensive range of products is sold worldwide in over 80 countries, with Peter leading all research and development efforts at his state-of-the-art lab and manufacturing facility. Ingredients sourced from all over the world are formulated at the highest percentages possible to provide maximum results for flawless, brighter, clearer, younger-looking skin. With endless awards for a multitude of products over the years, Peter is committed to delivering on his brand philosophy: Breakthrough formulas. Astonishing results.