Abstract
The aim of our study was to recognize different skin conditions of the face and neck using six biophysical parameters and to show the changes after the application of ultrasonic stimulation (US). We assessed the differences in the sebum, moisture, pores, wrinkles, pigmentation, and elasticity of the skin in the face and neck regions. A total of 30 healthy men in their 20s were enrolled. We used a skin diagnosis meter to assess the state of the skin. The sebum and pores of the face were more significant than in the neck. The amount of moisture in the U-zone was significantly higher than in other areas. Statistical differences were found between the pre-and post-measure-ment values in the sebum, moisture, wrinkles and pigmentation. Wrinkles and pigmentation were positively correlated. Our data showed that the changes in skin condition are associated with external stimulants. The effect of US on skin may differ depending on the part of the body, and some biophysical properties of skin vary depending on the location on the body.
Highlights
Skin is the outer covering of the body and plays a role in protecting the body from physical and chemical factors [1]
Our data showed that the changes in skin condition are associated with external stimulants
The effect of ultrasonic stimulation (US) on skin may differ depending on the part of the body, and some biophysical properties of skin vary depending on the location on the body
Summary
Skin is the outer covering of the body and plays a role in protecting the body from physical and chemical factors [1]. Non-thermal effects include cavitation, the acoustic activation of fibroblasts, increased protein synthesis, and tissue regeneration [7]. Some previous studies have found that US enhances the synthesis of collagen by fibroblasts and increases the temperature of soft tissue, which increases the metabolic rate and accelerates tissue repair [8] [9]. Men et al assessed the differences in the skin surface pH, sebum content, and stratum corneum hydration at various ages and in both genders in a large Chinese population without skin diseases. They concluded that these parameters vary with age, gender, and body location [13]. The aim of this study was to establish a map of the facial skin using six biophysical parameters to study various aspects of the skin—sebum, moisture, pores, wrinkles, pigmentation, and elasticity
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