Dr. Yayoko Ito
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Graduated from Hiroshima University School of Medicine. After working in the Department of General Medicine, he studied under doctors at the forefront of cosmetic medicine. After acquiring knowledge and skills in aesthetics, he became the director of YAYOI CLINIC in 2023. Her specialties include Botox, hyaluronic acid injections, and customized sagging treatment. His motto is to provide natural and pain-free treatments with careful consultation.
Vitamin C-containing items recommended for beautiful skin. In this issue, we will explain the difference in effects, types, and characteristics of "pure vitamin C," "vitamin C derivatives," etc. Is there any point in applying vitamin C to the skin?" and for those who are not sure about using it, this is a must-see.
Essential for beautiful skin! How Vitamin C Works

Pure vitamin C" or "vitamin C derivative"?
There are two types of vitamin C: pure vitamin C and vitamin C derivatives.
Which is better for beauty?
The differences between them are explained below.
■Pure Vitamin C

The first one we will introduce is Pure Vitamin C.
Pure vitamin C is the one that has not been chemically decorated, such as ascorbic acid or L-ascorbic acid.
Immediate and highly effectiveOn the other hand,Unstable, easily oxidized and not easily absorbed by the skinThe point is a disadvantage.
■Vitamin C Derivatives

The next vitamin C derivative is an ingredient that improves on pure vitamin C.
It is chemically decorated vitamin C, such as sodium ascorbyl phosphate and ascorbyl tetrahexyldecanoate.
After being absorbed into the skin, it becomes vitamin C in the body and approaches the skin.
Stable, non-oxidizing, and easily absorbed by the skinFeatures.
Types and effects of vitamin C derivatives

There are three types of vitamin C derivatives: water-soluble, fat-soluble, and amphiphilic.
Here are the characteristics of each and the skin types for which they are suited.
■Water-soluble vitamin C derivative
Highly absorbable into the skinis a feature of this product.
Because it is water soluble, it is used in lotions and serums.
It is suitable for people with oily skin and acne.
■ Fat-soluble vitamin C derivative
Vitamin C derivative bound to oil.
It is used in skin care items such as creams and gels,High moisturizing abilityIt is.
It will be easy to use for dry or sensitive skin.
■Amphiphilic Vitamin C Derivatives
It is a vitamin C derivative that is easily absorbed by both water and oil.
It incorporates the benefits of both "water-soluble" and "fat-soluble.
Recommended for dry or sensitive skin.
Get a good dose of vitamin C.

When using lotions and serums containing vitamin C derivatives, it is important to select the purity and concentration according to the purpose.
To achieve ideal skin, incorporate skincare products containing vitamin C that are appropriate for your skin.
For vitamin C, go to YAYOI CLINIC
Vitamin C is an ingredient that works against many problems such as blemishes and acne, and is essential for beautiful skin. There are various types of vitamin C, including pure vitamin C and vitamin C derivatives. Select the appropriate vitamin C-containing cosmetics according to your skin type and purpose.
Aesthetic Dermatology, Cosmetic Medicine, Cosmetic Surgery, and Art Makeup in Hiroshima YAYOI CLINIC offers treatments for different problems of the skin, body, and face.
In order to offer a better option to our customers, we will assess the skin condition of each individual and formulate a treatment plan that meets their needs in terms of treatment duration, budget, and acceptable downtime.
If you have any concerns, please come for a counseling session first.