Quick answer
- A Korean dermatologist recommends looking for ceramide, cholesterol, and fatty acids in your moisturizer to help address inner dryness.
- A Korean dermatologist says finishing your bath within five minutes and face washing within one minute can make a meaningful difference.
- A Korean dermatologist advises skipping brightening actives like vitamin C and niacinamide when dealing with inner dryness.
- A Korean makeup artist notes that following a hyaluronic acid product with a cream helps the moisturizing effect last longer.
The Ingredients Korean Dermatologists Point to for Inner Dryness
One Korean dermatologist describes the skin barrier using a brick-and-cement analogy: the spaces between the bricks need to be filled, and the 'cement' in this case is a combination of ceramide, cholesterol, and fatty acids — a trio the dermatologist refers to as 'se-chol-ji' — which need to be supplied to the skin.
A Korean dermatologist also points to madecassoside, panthenol, hyaluronic acid, and beta-glucan as ingredients they typically recommend for inner dryness, noting that these ingredients draw water to the skin.
A Korean dermatologist recommends using a serum with sufficient hyaluronic acid, and a Korean makeup artist adds an important caveat: hyaluronic acid does not generate moisture on its own but holds onto it, so following it with a cream is necessary to make the moisturizing effect last.
For those who experience persistent, severe dryness, the same makeup artist suggests mixing one, two, or three drops of oil into cream at night, noting this may help form a better moisturizing barrier — and also recommends reaching for an essence with a slightly richer, more viscous feel.
How to Layer Products and Which Steps to Rethink
A Korean dermatologist recommends finishing the routine with a barrier cream that leaves a film-forming feeling on the skin, explaining that without this final layer, even watery or serum-type products underneath will not be effective.
For those with severe inner dryness, a Korean dermatologist advises a 'skincare diet' — moving directly from serum to cream and skipping the toner step entirely.
On the other hand, repeatedly applying toner in multiple layers, using absorption techniques with toner, or relying on toner pads are all steps a Korean dermatologist considers ineffective for inner dryness.
A Korean makeup artist recommends applying products with relaxed hands, using smooth, gentle motions within a range that does not cause irritation, to help the product adhere properly to the skin.
A Korean dermatologist also cautions against using high-function actives — such as vitamin C and niacinamide, which are associated with brightening — when inner dryness is a concern.
Cleansing, Moisture Layering, and Product Picks
A Korean dermatologist recommends using slightly acidic cleansers and avoiding overuse of sub-alkaline ones, and when double cleansing is part of the routine, suggests opting for a cleansing milk.
The same dermatologist advises washing the face with lukewarm water and keeping the process brief — ideally within one minute — and applying the same principle to bathing, finishing within five minutes.
For an extra layer of protection on particularly dry areas of the face, a Korean dermatologist suggests dabbing Vaseline over moisturizing cream, describing it as acting like plastic wrap over the skin. A similar approach works for the body: applying lotion and then a small amount of Vaseline to areas prone to cracking before bed.
One Korean dermatologist recommends Aestura Atobarrier and the Zeroid Intensive line, suggesting the lotion format for oilier skin types and the cream format for those who are very dry. For a more affordable option, a Korean dermatologist points to Illiyoon as a product that is suitable for use on the face.
A Korean dermatologist also recommends creams rich in ceramide, cholesterol, and fatty acids, and notes that an existing moisturizing cream can be kept in the routine with an additional protective layer applied on top.
Environmental and Lifestyle Factors That Affect Inner Dryness
A Korean dermatologist notes that when indoor humidity drops below 30%, the skin barrier weakens by more than 30%, and recommends keeping indoor humidity between 40% and 60% to support the skin.
The same dermatologist also recommends drinking one to one and a half liters of water or more as a general daily baseline.
This article is based on our research into Korean-language videos by skincare professionals. It is general information, not medical advice. Disclaimer.
