
RAU Caviar Serum
RAU Caviar Serum is a luxury anti-aging treatment designed to revitalize and nourish the complexion. RAU, known for its high-quality formulations, incorporates sophisticated marine actives to address signs of aging and dehydration. This serum features hydrating humectants like glycerin and butylene glycol as its base, ensuring a lightweight, water-like texture that absorbs quickly into the skin without leaving a heavy residue. The standout ingredients include Plankton Extract and Sea Salt Extract, which provide essential minerals and nutrients to support skin health. While caviar-based extracts are traditionally associated with luxury and regeneration, this serum focuses on providing deep moisture and improving skin elasticity. It is designed to be used under a moisturizer to boost the skin's natural radiance and smoothness. However, for those with congestion issues, the marine-derived ingredients require a closer look. The serum feels cooling and refreshing upon application, making it a pleasant addition to a daily routine for those seeking a boost in vitality and a more refined, plump skin texture.
Our Analysis
Our analysis of the RAU Caviar Serum reveals a moderate comedogenic risk, primarily due to its marine-based ingredients. While marine extracts are often touted for their mineral content, certain types are problematic for acne-prone skin. This formula contains Algae Extract and Plankton Extract. Algae extract receives a high rating of 5/5 on the comedogenic scale because it is rich in iodides, which can irritate the pore lining and trigger inflammation. Plankton also carries a 4/5 rating for similar reasons. If you are prone to breakouts, these ingredients may cause inflammatory acne or persistent congestion.
Skin Type Recommendations
This serum is best suited for dry, mature, or normal skin types that do not struggle with frequent breakouts. The intense hydration is beneficial for aging concerns. However, it is not recommended for oily or acne-prone skin due to the high comedogenic ratings of the marine extracts.
Flagged Ingredients
Rich in iodides which irritate the pore lining, triggering inflammation and micro-comedones.
Marine extract often rich in iodides/minerals that can irritate pores.
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.












