Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration
Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration scores 6.6/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
✶ Hero ingredients
Plant-derived oil
Lightweight humectant and solvent
Softens and smooths
Score breakdown
Scores last verified: July 2026
What makes Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration stand out
Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration is a solid serum with an overall score of 6.6/9.8. Positioned in the premium bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Ricinus Communis (Castor) Seed Oil, Butylene Glycol, Isostearyl Neopentanoate — ingredients that support the skin barrier and moisture levels.
It performs well on hydration (7.0) and low irritation risk (9.5). On the flip side, active ingredient concentration is on the lighter side.
Is this right for you?
Great for
- ✓Dry or dehydrated skin — strong moisture-binding profile
- ✓Sensitive skin — low irritation risk with a gentle formulation
- ✓Safety-conscious shoppers — clean formulation with minimal flags
May not suit
- ⚠Those seeking potent actives — this leans more maintenance than treatment
Key ingredients
- ✶Ricinus Communis (Castor) Seed Oil
Softens and smooths — #2 in the INCI list
- ✶Butylene Glycol
Draws in moisture — #3 in the INCI list
- ✶Isostearyl Neopentanoate
Softens and smooths — #4 in the INCI list
- ✶Glycerin
Draws in moisture — #5 in the INCI list
- ✶Sodium Hyaluronate
Draws in moisture — #6 in the INCI list
Full ingredient list
25 ingredients — listed in INCI order (highest concentration first)
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Ingredient breakdown
- Softens and smooths5
- Holds the formula together5
- Draws in moisture4
- Works on your skin4
- Keeps the product fresh3
- Formula balancers2
- Other ingredient1
- Added colour1