Celim Biotech is a botanical cosmetic skincare company that sells patented substances, extracted and fermented ingredients obtained from nature, in the form of an essence under the brand name "ATOMU". Patent 1 : Treat acne through the composition of natural extracts. Patent 2 : Treating atopic inflammation symptoms with natural extracts.

Cosmetic products using fermentation technology have reduced constituent size as they are subjected to a decomposition process, resulting in higher applicability and absorption. The technology enables preservation by organic acid in fermentation component, minimizing use of artificial fragrance, artificial pigment, and synthetic preservative.

The unique feature of Atomu is its being the most suitable basic cosmetic for sensitive skin, such as acne, eczema and psoriasis, effective for inflamed skin without steroid substance. The ATOMU brand includes lotion, cream, toner, shampoo, mist, and soap, and all products contain the patented Atomu Essence.