12.28.16
OST-C20 Serum

A  lightweight and fast absorbing serum. 

12.21.16
Say bye to acne hyperpigmentation!
You know the struggle is real when a stubborn acne leaves a scar and hyperpigmentation thats near to impossible to fade away using all the products that you could get hands on. Well, yeah that struggle happened to me for like 6 years now. not until I found this product from a youtuber and decided to give it a try. And from the moment I start seeing results in just a short period of time, I can also see my social life having the same result. Both of them are getting sooo much better and sooo much brighter! PLUS this serum just makes my "damaged" face looking smooth and healthier over time. definitely recommend to anybody who has lots of acne scars/hyperpigmentation all over the face.
12.15.16
Good
Good
12.14.16
Very Cheap yet Effective serums!
One of the cheapest serum that I have tried but the most effective one !
12.09.16
OST Vitamin C20 Serum

I use it as a night serum; wake up with a brighter and clearer skin.