Often times, as an Asian living in the US, I find myself using skincare made by companies based in the US. However, I noticed the results labeled on the packing was always different than the results I saw. My skin would always turn red after using products, and my skin would never actually clear up. This lead me to wonder why my skin was different?
Characteristics of Skin
To start, it is important to understand the basics. Skin is made up of three parts: Epidermis, Dermis, and Hypodermis. Each part lays on top of each other, however beyond this simplification, each part has its own layers to it. For example, the Epidermis has it’s own top layer called the stratum corneum (this will be important later). While each part is essential to the make up of skin, only the Epidermis and Dermis are related for skincare.
Epidermis
The epidermis is the top layer of skin. In essence, the epidermis acts as a “first layer of defense” for our body’s immune system. The epidermis keeps germs from entering our body. The epidermis also constantly makes new skin cells which replace the old cells. The constant reproduction of skin cells is ultimately how many serious acne treatment such as tretinoin work. Beyond this, the epidermis also contains melanin which determines skin color. Higher melanin means darker skin and easier time tanning.
Dermis
The dermis is the middle layer, and makes up the majority of skin. The dermis is composed largely of collagen and elastin which makes the skin strong, but flexible. Most importantly to skincare, the dermis is where the hair follicles are located. In other words, the dermis is where the roots of the hair are located. The dermis also produces sweat and oil, which is important to note for skincare.
Source: https://my.clevelandclinic.org/health/body/10978-skin : What Makes Asian Skin Unique: What Makes Asian Skin Unique
How Does Asian Skin Differ?
All ethnicities have different skin types, however, I will specifically be going over Asian skin (it is important to note that I am speaking in general, not all Asian skin will be the same).
Starting from the very top, Asians have a thinner stratum corneum, which is the top layer of the epidermis. This layer effects the physical appearance of skin. Asian skin having a thinner stratum corneum means that scarring from acne, or picking of pimples will cause longer lasting markings.
Moving down broadly to the epidermis, Asian skin generally has higher amounts of melanin, and melanin producing cells. Higher melanin means Asian skin is more resistant to skin cancer, however, this means that Asian skin is more sensitive to skin irritation. Specifically, Asian skin is more susceptible to blemishes from pimples, bug bites, or scratching.
Differences are also seen at the dermis. Asian skin generally have a thicker dermis. This is caused by Asian skin having more collagen producing cells. This means that Asian skin is more resistant to skin damage and wrinkling. On the other hand, Asian skin typically has higher oil glands which means that Asian skin usually has a higher buildup of oil, and a shiny look.
Sources: https://www.goldenstatedermatology.com/blog/asian-skin-care/, https://www.mochimag.com/lifestyle/beauty/a-deeper-look-at-what-makes-asian-skin-uniquenbsp/ : What Makes Asian Skin UniqueTying back to Hufu
These biological differences between Caucasian skin and Asian skin are why skincare made of by American Companies can be ineffective for Asian Skin. While there are exceptions, it is important to understand what makes our skin unique, and how we can support the health of our skin to the best of our ability.
Hufu 
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