コスメの基礎知識 日焼け止めの基本

Sunscreen basics

**Sunscreen Features:**

 

  1. **UV Protection:**

- Sunscreen is an item that mainly protects the skin from ultraviolet rays. There are two types of ultraviolet rays: UVA (which causes aging) and UVB (which causes sunburn and blemishes), and sunscreen has the role of preventing these.

 

  1. **Sun Protection Factor (SPF) value:**

- The SPF value is displayed, which indicates the degree of protection from UVB rays. The higher the SPF value, the stronger the sun protection you can expect.

 

  1. **PA (Protection Grade of UVA):**

- PA indicates the degree of protection from UVA, and the more +'s the stronger the protection, for example PA+++ means high protection.

 

  1. **Various types, including water-resistant and sensitive skin types:**

- There are many different types, including water-resistant and for sensitive skin, and some sunscreens are even built into makeup primers and foundations.

 

  1. **Leaf Farm Effect:**

- Some sunscreens have a leaf-firming effect, which is expected to prevent skin aging caused by UV damage.

 

**amount to use:**

 

- As a general guide, use approximately 2mg/cm² of sunscreen on the entire face, which is enough to rub a swirl of sunscreen onto your fingertips and massage it evenly over the entire face.

 

**how to use:**

 

  1. **Use after cleansing and skin care:**

- Use sunscreen in the morning after cleansing and applying skin care products. This allows the sunscreen to adhere more effectively to the skin when applied after other skin care products have been applied.

 

  1. **Take an appropriate amount:**

- Take an appropriate amount of sunscreen onto your hands and use the pads of your fingers to evenly distribute it over your face.

 

  1. **Don't forget your neck and décolleté:**

- Apply sunscreen not only to your face, but also to your neck and décolleté, as these areas are also susceptible to UV damage.

 

  1. **Repaint frequently:**

- It is important to reapply sunscreen frequently during the day, especially if you are exposed to UV rays for long periods of time, and especially after getting wet or drying with a towel.

 

  1. **Use before makeup:**

- If you wear makeup, use sunscreen before you apply it. You can also use a sunscreen that has been built into your makeup primer or foundation.

 

  1. **Also used during sports and outdoor activities:**

- When playing sports or engaging in outdoor activities, you need to protect yourself from strong UV rays. It is a good idea to choose a waterproof or sports sunscreen.

 

Sunscreen is a very important item for preventing UV damage to the skin. It is recommended to choose the appropriate product according to the season and activity and use it regularly.

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