A fact-based introduction to Aestura, Zeroid, Dr.G and Easydew, including their current product focus, where they appear in Korean retail and the legal limit of the word dermocosmetic.
First, dermocosmetic is not the same as medicine
In Korea, dermocosmetic is a retail and brand-positioning term rather than a separate medicine class. The Korean Cosmetics Act defines cosmetics as products with light effects on the human body and excludes medicines. Functional cosmetics are a defined subset covering claims such as wrinkle improvement, whitening, UV protection and certain barrier-related functions.
A clinical-looking package, hospital origin story or ingredient such as EGF does not by itself make a product a drug. Check the exact registered function and product label instead of assuming treatment-level efficacy.
Aestura: barrier care and ceramide positioning
Aestura organises its international range around ATOBARRIER365, THERACNE365, DERMA UV365, REGEDERM365 and A-CICA365. Its official bestsellers include ATOBARRIER365 Cream, Lotion and Hydro Soothing Cream. Olive Young currently lists Aestura sunscreen and body lotion in its dermocosmetics category.
The useful shopping distinction is format: cream for a richer barrier layer, lotion for a lighter spread and hydro cream for a gel texture. The brand's dermatologist-recommendation and sales claims are brand-supplied claims, not a substitute for an individual medical recommendation.
Zeroid: moisturisers, cleansers and mineral sunscreen
Zeroid currently has a dedicated Olive Young brand store and appears prominently in the retailer's dermocosmetics category. Products visible in August 2026 include Intensive Lotion, Soothing Cream, Foaming Cleanser, Daily Sunscreen and the Pimprove line.
Its catalogue is easier to understand by skin need than by trend ingredient: Intensive for richer moisturising, Soothing for lighter moisturising, Pimprove for blemish-prone routines and mineral sunscreens for shoppers prioritising that filter type.
Dr.G: mass retail with a dermatologist-founded identity
Dr.G sells across standard skincare and sun-care rather than only the dermocosmetics aisle. Green Mild Up Sun Plus is positioned as a mineral sunscreen, while Red Blemish focuses on soothing moisturisers and lighter sun products. The brand is widely distributed at Olive Young and has very large review counts on established items.
Review volume and a dermatologist-founded brand story indicate market reach; they do not prove that a formula will treat a diagnosed skin condition.
Easydew: EGF-led cosmetic products
Easydew uses EGF prominently across creams, ampoules, cushions and sun products. Its official store lists both skincare and colour cosmetics, including high-review cushion products. This breadth is important: the brand is not only post-procedure cream, and each product needs to be judged by its own formula and registered claims.
For consumers, the safest reading is to treat EGF as an ingredient claim within a cosmetic unless the exact item is separately regulated as a medicine or medical device.
What was checked
Dates, prices, product labels and locations are tied to the sources listed below. Retail claims are identified as claims; they are not presented as independent clinical or laboratory findings.