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Peter Thomas Roth Peter Thomas Roth Water Drench Hyaluronic Cloud Serum - Product image showing packaging and label for comedogenic ingredient analysis
Peter Thomas RothSerum

Peter Thomas Roth Water Drench Hyaluronic Cloud Serum

Moderate Risk(5)
37 ingredients1 flagged

The Peter Thomas Roth Water Drench Hyaluronic Cloud Serum is a sophisticated hydrating treatment designed to drench the skin in long-lasting moisture. Formulated with a high concentration of Sodium Hyaluronate, this serum acts as a moisture magnet, plumping the skin and smoothing out the appearance of fine lines and wrinkles. The inclusion of Saccharide Isomerate helps to lock in hydration for up to 72 hours, while Sorbitol and Lactobacillus/Olive Leaf Ferment Extract provide additional soothing and skin-conditioning benefits. Its texture is famously lightweight and 'cloud-like,' absorbing almost instantly into the skin without any heavy or greasy after-feel. While it is marketed as an oil-free solution for all skin types, our analysis suggests that those with specific sensitivities or acne concerns should look closer at the ingredient profile. The formula blends high-performance humectants with botanical extracts, aiming to create a silky, refreshed complexion. It is an excellent choice for anyone looking to combat dehydration and achieve a soft, supple glow, provided their skin can tolerate the specific botanical additives found within.

Our Analysis

Our analysis classifies the Peter Thomas Roth Water Drench Hyaluronic Cloud Serum as having a Moderate comedogenic risk. The standout concern is Algae Extract, which earns a 5/5 rating on the comedogenic scale. Algae is naturally rich in iodides, which can irritate the pore lining and trigger the formation of micro-comedones and inflammatory breakouts. Despite the serum's oil-free and lightweight reputation, this particular ingredient is a known trigger for many with congestion-prone skin. While the rest of the formula focuses on safe humectants like Sodium Hyaluronate, users with active acne should be wary of potential clogging.

Skin Type Recommendations

This serum is ideal for dry, dehydrated, or mature skin seeking intense humectant-based hydration. However, it is not recommended for oily or acne-prone skin due to the high-risk Algae Extract. Those with sensitive skin should exercise caution and patch test, as botanical ferments can occasionally cause irritation in reactive types.

Flagged Ingredients

5
algae extract

Rich in iodides which irritate the pore lining, triggering inflammation and micro-comedones.

Want Deeper Analysis?

Run our MACR (Multi-Axis Comedogenic Risk) analysis to get a comprehensive 5-axis risk assessment. This AI-powered analysis evaluates ingredients for Plugging Risk, Barrier Damage, Fungal Acne Risk, Oxidation Risk, and real-world User Reports — giving you personalized scores for your skin type.

Full Ingredient List(37 ingredients)

Water/​Aqua/​EauSaccharide IsomerateSorbitolSodium HyaluronateLactobacillus/​Olive Leaf Ferment ExtractOpuntia Tuna Fruit ExtractHoney ExtractAlgae ExtractEriodictyon Crassifolium Leaf ExtractHydrolyzed SilkSaccharomyces/​Zinc FermentSaccharomyces/​Copper FermentSaccharomyces/​Magnesium FermentSaccharomyces/​Iron FermentSaccharomyces/​Silicon FermentPentylene GlycolButylene GlycolGlycerinUreaSodium PcaTrehalosePolyquaternium-51TriacetinPropylene GlycolDiazolidinyl UreaMethylparabenPropylparabenWater/Aqua/EauLactobacillus/Olive Leaf Ferment ExtractSaccharomyces/Zinc FermentSaccharomyces/Copper FermentSaccharomyces/Magnesium FermentSaccharomyces/Iron FermentSaccharomyces/Silicon FermentRead all the geeky details about Glycerin here >>Read all the geeky details about Propylene Glycol here >>[more]

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Our analysis is powered by AI and backed by extensive research on comedogenic ingredients — but it's not medical advice. For skin concerns, please consult a dermatologist.