****Browning liquid is natural phenomenon of highly concentrated pure Vitamin C. Please DO NOT purchase if you cannot accept the natural phenomenon that might happen to this product**** Treatments: Lightens Hyperpigmentation & Acne scars, Brightening, Discoloration, - For Dull and Acne Skin Desciption: The By Wishtrend Pure Vitamin C21.5% Advanced Serum is a vitamin serum to improve overall skin tone and texture. Containing pure vitamin C, it is free of parabens and other harmful ingredients in order to decrease irritation to the skin. It is formulated with 10 essential ingredients for a fast and effective result. *More about the C21.5% Serum * The C21.5% Advanced Serum is free of parabens and other harmful ingredients in order to decrease irritation to the skin, and is formulated with a total of 10 essential ingredient. Containing 70% Vitamin Tree, it adds moisture to the skin. Panthenol and Allantoin allows high concentrate vitamin serum for an extended period of time, without irritation. With an upgraded formula with more of the effects but less the ingredients, the Pure Vitamin C21.5 Advanced Serum has been transformed to have even greater hydration and absorption without the stickiness. It conditions and restores balance to replenish and retain moisture in the skin with the optimal 21.5% of pure vitamin C. There’s no room for downgrading with C20. **ATTENTION** The vitamin C Serum can be leaked due to hot weather. This is a natural phenomenon that can only happen to pure vitamin. If this happens, wipe off the leaked liquid and keep it in the fridge. You may continue to use it after a few hours without any problems. *Alway keep the serum in cool and dry place to avoid oxidation. HOW TO USE: 1. After cleansing and toning, apply 2-3 drops gently all over face everyday night as Serum. Recommend to use at night. Applying sunblock is essentially needed during daytime. 2. Slight stimulus may be experienced at the first time to use Vitamin C 20 Serum. Mixing with several drops of serum and toner makes your skin refresh without sticky feeling. 3. Afterwards, apply lotion and cream as your daily skincare routine. * Sediment might occur in the bottle neck and the bottom but it is safe to use. Browning liquid is natural phenomenon of highly concentrated pure Vitamin C. 30ml / All Skin Types / Made in Korea