Review: O.S.T Original Pure Vitamin C20 Serum

A month back, Natta Cosme has been really kind to me by sending a bottle of O.S.T Original Pure Vitamin C20 Serum for review. I'd like to take this opportunity to thanks them for their continuous support. Thank you berry muchie, Natta Cosme!

O.S.T Original Pure Vitamin C20 Serum has been selling like hot cakes in Singapore and Japan's e-commerce sites. Since it has received a lot of positive reviews in the blogosphere, I got all excited to try it as my skin has became terrible after Krabi!

Everyone knows that vitamins are vital for our skin especially Vitamin C. But what is it for? Vitamin C is a powerful antioxidant that can boost collagen production, heals acne and lighten scars, making skin brighter. Vitamin C also has peeling function, resulting in removal of blackheads. This product combines 20% L-ascorbic Acid with natural antioxidants to help prevent premature signs of aging while protect, soften and moisturize your skin.

Ingredients:
Water, Ascorbic Acid, Sodium Lactate, Butylene Glycol, Glucose, PEG-60 Hydrogenated Castor Oil, Sodium Hyaluronate, Bis-PEG-18 Methyl Ether Dimethyl Silane, Methylparaben, Diethoxyethyl Succinate, Phenoxyethanol, Ammonium Acryloyldimethyltaurate/VP Copolymer, Xanthan Gum, PEG-180, Gluconolactone, Alcojol, Camellia Sinensis Leaf Extract, Beta-Glucan, Rosa Davurica Bud Extract, Citrus Aurantium Dulcis (Orange) Oil, Zinc PCA, Panthenol, Niacinamide, Carthamus Tinctorius (Safflower) Flower Extract, Glycerin, Tocopheryl Acetate, Lecithin, Caprylic/Capric Triglyceride, Ubiquinone, Diisopropyl Adipate


How to Use O.S.T Original Pure Vitamin C20 Serum

1. After cleansing and toning, apply 2-3 drops gently all over face everyday night as serum.
   Recommended to use at night. Applying sunblock is essential during daytime.
2. You may experience slight stimulant during the first usage.
   Mixing with several drops of serum and toner will make your skin feel refreshed without sticky feeling.
3. Afterwards, apply lotion and cream as usual.

Packaging:
The brand new O.S.T Original Pure Vitamin C20 Serum was contained in a dark glass bottle with a screw cap to prevent the Vitamin C from being oxidized. A glass dropper was included in a separate packaging.

Verdict:
Although many people claimed that it gave them burning sensation during the first application, it was completely fine for me. It will only sting only when I apply it on wounded area i.e. newly squeezed spot. The smell is very citrus-y just like fresh oranges. It's totally understandable because the content of this awesome little bottle of serum is equivalent to a whooping 40pcs of grapefruits, 200pcs of oranges and 120pcs of strawberries! That's a lot of vitamin for your skin.

Before/After O.S.T Original Pure Vitamin C20 Serum

The texture is sticky thus making it hard to be massaged evenly. Normally I just pat it onto my face, followed by moisturizer. After applying moisturizer, the sticky feeling will be gone. I've been using it for 3 weeks now but I can't be too sure whether it did help in clearing my acne because the acne on my forehead got better but there were new pimples on my right cheek #fml

O.S.T Original Pure Vitamin C20 Serum Texture

But what I'm really sure is, my pores have shrunk and more tightened now. Plus, my skin has turned fairer - which is totally amazing cos I've been feeling really depressed for the past month over my skin turning darker after Krabi trip. I forgot to take a close shot of my face before using the serum so I guess I'll do it now and post up another comparison photo after a month. I'll definitely continue using it as a part of my skincare regime.

Rating: ★★★☆☆

Price: RM 99 RM 79.20

Where to buy: O.S.T Original Pure Vitamin C20 Serum on Natta Cosme

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