COSRX Hydrium Triple Hyaluronic Moisture Ampoule is a viscous serum formulated to deliver hydration through a blend of three types of hyaluronic acid. This 40ml / 1.35 fl.oz Korean skin care product is designed to support moisture retention without the use of animal testing or parabens. The triple hyaluronic acid complex includes low, medium, and high molecular weight forms, which work together to provide layered hydration across different levels of the skin. This composition aims to help maintain a plump and smooth complexion by attracting and holding moisture.

The ampoule features a slightly thicker, serum-like texture that spreads easily and absorbs without leaving a greasy residue. It is suitable for various skin types, including dry, dehydrated, and normal skin, and can be incorporated into daily routines as a step following toner or essence. The formula is free from parabens, sulfates, and phthalates, and it is cruelty-free, meaning no animal testing is involved in its development. This makes it a choice for those seeking gentle, straightforward hydration-focused products.

The product is best used in a routine where additional moisture is desired, such as during colder months or in environments with low humidity. It can be applied alone or layered under a moisturizer to enhance hydration. The ampoule does not contain artificial fragrances or dyes, reducing the likelihood of irritation for sensitive skin. Its affordable pricing aligns with practical skin care solutions that prioritize ingredient integrity without unnecessary additives. Overall, this ampoule offers a no-frills approach to hydration, relying on a well-studied humectant to support skin moisture balance.