1. Ultrasonic

Principle and effect: Use ultrasonic high-frequency vibration, strong penetration and friction with the skin to clean the skin.

Suitable for people: people with acne-prone skin, oily skin and thick stratum corneum.

Disadvantages: easy to damage the stratum corneum. Not recommended for dry skin and sensitive skin.

2. Radio frequency

Principle and effect: When radio frequency acts on the skin, the heat generated by electromagnetic waves can heat the dermis. After heating, the collagen cells under the skin will shrink and tighten, and promote the regeneration of collagen cells, so that the skin can reach a state of firmness, fullness and elasticity.

Applicable people: Lifting and firming, removing wrinkles and improving dull skin (recommended to consider buying after 28+).

Disadvantages: Pay attention to the temperature when using it to avoid scalding the skin. Dry skin needs hydration after use.

Ps: The young lady with fillers on her face is not very suitable for this type!

3. Laser class

Principle and effect: The laser type of the beauty instrument is non-exfoliative, and the laser treatment in the hospital is exfoliative. The laser of the beauty equipment uses laser and phototherapy to promote the dermis, collagen fibers and elastic fibers to improve the skin.

Applicable people: mild anti-wrinkle, anti-acne, enlarged pores.

Disadvantages: It is painful, you need to apply a repair and calming mask on the skin after use. The skin is easy to dry after use, so special attention should be paid to moisturizing.

4. Micro current class

Principle and effect: By introducing a tiny current into the human body, it can stimulate the human body's electromagnetic field to restore the original nerves and organs, promote the body's metabolism, and improve vitality.

Suitable for the crowd: face thinning, edema, prevention of sagging and sagging.

Disadvantages: The micro current is indeed "micro", it is difficult to reach the deep muscles. To see results requires long-term persistence.

5. Imported beauty instrument

Principle effect: The main function is cleaning, as well as import and export, and the penetration rate of the skin care products used can be increased by more than twice.

Applicable people: Perform deep cleansing to improve the absorption rate of skin care products.

Disadvantages: Need to cooperate with cotton pads, import and export of skin care products, higher requirements for matching products.

6. LED

Principle and effect: commonly known as red and blue lights, this project is available in hospitals. The main function is to promote metabolism, disinfection and anti-inflammatory, shrink pores and improve skin conditions through the different light of red and blue light.

Applicable people: dull and dull skin, acne-prone skin, skin with acne marks and stains.

Disadvantages: Wearing goggles, pay attention to the wearing requirements in each mode.