Peter Thomas Roth Water Drench Serum in Beauty: NA. Formulated with an intense 75% Hyaluronic Acid Complex, Peter Thomas Roth Water Drench Serum helps keep skin hydrated all day and night. An invisible veil of hydration attracts up to 1,000 times its weight in water from moisture in the atmosphere, helping to replenish the appearance of aging and dehydrated skin. This deeply hydrating treatment smooths the appearance of fine lines and uneven skin texture, imparting a look of youthful radiance.. Sodium PCA helps lightly and naturally hydrate skin. Silk Proteins help to leave skin with a soft, smooth feel. Mineral Complex of bio-fermented Zinc, Copper, Manganese, Iron and Silicon help increase moisture levels. 1 fl oz. Apply as needed to face and neck for intense hydration. PTHO-WU41. 15 01 009. 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.