SCIENCE PILLS
Phototypes: the starting point
To protect the skin in the sun
What is it and how to recognize one's phototype?
Phototype is a characteristic that classifies different skin types according to their reaction to sun exposure and UV rays. Our phototype is determined by the amount of melanin in our skin, consequently telling us how it reacts when we sunbathe, that is, how much and how we tan.
SUN EXPOSURE
The atmosphere
The atmosphere absorbs much of the radiation sun products, including UVC rays, which are very harmful to humans.
UVB and UVA rays in reverse
affect the skin surface, resulting in different effects due to different penetration capacity.
THE SUN.
Bright energy and skin
The light that we see, visible light, is composed of a beam of waves of different lengths.
Sun exposure can be intentional and has the purpose of getting a tan, or NOT intentional, related to everyday outdoor activities: work, recreation, sports.
SUN EXPOSURE
The positive and negative effects
POSITIVE EFFECTS
- Indispensable to life - Heat
- Antidepressant effect - Anti-rachitism: Vitamin D synthesis (sufficient 15 minutes per day over the course of a year)
DETRIMENTAL EFFECTS
-IMMEDIATES
Rapid-onset dermatosis: Solar erythema - Sunburn
- Polymorphous solar dermatitis
- DELAYED
Dermatoses arising years later: Photoaging - Photoinduced tumors
SUN EXPOSURE
In the sun without risk
Avoid the middle hours of the day (12-4 p.m.)
- Avoid prolonged exposures and sunburns
- Gradually expose yourself to sle
- Protect yourself with hat and T-shirt, sunglasses
- Use cream, spray sun products applying them carefully and
On all exposed areas
- Repeat the application every 2 hours and also when you are
already tanned
- Artificial tanning does not effectively protect
from the rays sun products
