Vitamin C Face Serum is the type of face serum that contains different forms of vitamin C. Vitamin C serum is a lightweight moisturizer with a higher concentration of vitamin C than a typical vitamin C moisturizer.  Serums are often used to manage specific skin care concerns, such as vitamin c serum is used to treat darkness, dullness and dark or sun spots. Serums are absorbed in skin quicker than other skin care products. Serums are commonly used after toner and before moisturizer. Serums can moisturize your skin but it cannot replace a moisturizer cream, you should always use a moisturizer to lock things up. Made in Hong Kong. Benefits of Vitamin C serum for Skin: Absorbs quickly into your skin Reduce darkness and dullness Instantly boost brightness Improves the appearance of wrinkles and fine lines Promotes Collagen production Fades dark spots and hyperpigmentation It helps to reduce redness and even out the uneven skin tone It may help wound healing How To Use: Firstly,Cleanse your face properly then use a toner and let it dry. Finally, start applying Guerniss Vitamin C Serum onto your entire face and neck and allow it to dry. You can use our Serum once or twice a day and under makeup as well. Precaution: As a test you can apply a small amount of serum on your forearm and wait for 24 hours. If you feel no side effects then you can apply to your face by following below instructions. Conversely, if you find hives, rash or redness stop using it and consult a dermatologist. Caution: People having hypersensitive skin may feel minor irritation. So,Please follow our usage instructions. Ingredients: Aqua/water·propylene glycol • glycerin• alcohol denat• peg/ppg/polybutylene glycol-8/5/3 glycerin • hydroxypropyl xanthan gum• 3-o-ethyl ascorbic acid• ppg- 6-decyltetradeceth-30 • phenoxyethanol • saIicyIic acid• tetrahydropyrantriol• hydroxyethyl cellulose • potassium hydroxide • citric acid • sodium citrate • tocopheryl cetate • lavandula angu stifolia oil / lavender oil • disodium edta • adenosine • lirialool • butylene glycol • tocopherol• citrus aurantium tachibana peel extract • paeonia suffruticosa root extract.