RF28 is strongly supported by people in their 40s and 50s, who want to fundamentally care for complex skin problems in adults, such as "skin fluctuations", "dullness", and "dryness" caused by age and environmental changes.
This is because the full-fledged approach based on "keratin care," which nurtures the skin's ability to shine on its own, rather than repairing it with temporary treatment, is deeply connected to the needs of the generation that is beginning to feel the changes caused by aging.
Another major feature is that there are enthusiastic fans who have been using the brand's main product, the "Three Drops," for nearly 15 years, due to its reliable quality and realization that are not swayed by temporary trends. Customers who have been using it for a long time have expressed their impression with keratin care, such as "unwanted dead skin cells have been removed and a sense of transparency has emerged," and the deep relationship of trust over the years supports the foundation of the brand.
In addition, it has gained strong support from people with sensitive skin who are particular about the feel of use, saying that it can be used with confidence without rough skin, and continues to be chosen by authentic-oriented people as a skin care product that achieves a higher level of bare skin beauty while gently snuggling up to their daily skin.