Why does the serum smell bad?

The unique scent comes from Glutathione. We are committed to a natural formulation, thus no artificial fragrances are used in our serum.

Is the Glutathione serum suitable for sensitive skin?

In a Primary Dermal Irritation Study, the "TOSOWOONG Glutathione Ampoule" was found to be a non-irritant and safe for sensitive skin. It is advisable to perform a patch test on the body before facial application.

Is daily application of korean glutathione glow serum advisable?

Yes, we advise using it twice a day, followed by a toner, to get the best benefits, dark spot removal and discoloration correcting efficacy.

How can I verify the authenticity of this face serum?

To ensure the product's authenticity, please ensure you are purchasing it from TOSOWOONG. The authenticity cannot be guaranteed if bought from sellers other than TOSOWOONG.

Does this product contain added fragrances?

No, there are no added fragrances in this product. However, due to its high concentration of 20,000ppm Glutathione, it has a natural scent characteristic of Glutathione.

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✨ Unlock your skin’s glow-up game with TOSOWOONG! 💧

GENTLE YET EFFECTIVE - Formulated with low irritation ingredients, perfect for sensitive and delicate skin without compromising results.
HYDRATION POWERHOUSE - Infused with 5 types of hyaluronic acid, it delivers multi-layered moisture for plump, dewy skin all day long.
CLEAR SKIN CONFIDENCE - Targets deep-rooted stains and marks, revealing a clean, radiant complexion that turns heads.
GLOW LIKE NEVER BEFORE - 2% high-purity glutathione visibly brightens and evens skin tone, making dullness a thing of the past.
TRUSTED KOREAN INNOVATION - Backed by TOSOWOONG’s years of research, ensuring you get only effective, science-driven skincare.

TOSOWOONG Glutathione Serum is a 30ml fragrance-free drop designed for all skin types, featuring 2% pure glutathione and 5 types of hyaluronic acid. This low-irritation formula brightens, deeply hydrates, and gently fades stains, making it ideal for sensitive skin while delivering visible, lasting radiance.