The purpose of sunscreen is to protect the body from the sun’s ultraviolet rays which have several harmful effects including sunburn, aging, and skin cancer promotion.
These rays are separated by their different frequencies into types such as UVA (Ultraviolet A-rays) and UVB (Ultraviolet B-rays) which employs variety of effects in the skin due to the osmosis manners of chromophores the element of the molecules are reason for their colour.
The primary two chromophores are hemoglobin found in our red blood cells and melanin which gives our skin its colour.
How does the sunscreen protect us?
There are two basic types of sunscreen physical and chemical sunscreens, physical is like zinc oxide or titanium dioxide reflect sun rays by acting as a physical stopper.
Sunscreen protects against the occurrence of three types of skin cancer
Basal cell carcinoma,
Squamous cell carcinoma, and
Sun damage is the primary factor for premature aging from severe sun exposure leads to a loss the elasticity in the skin
When to Apply Sunscreen
It is suggested to use sunscreen on daily basis but you should pay special care before prolonged sun exposure even while swimming, since the reflectivity of water and ice increases the effect of sun’s rays apply about an ounce of sunscreen before and after you go for swimming or else you should wear defencing clothing with ultraviolet protection factor or UPF, stay in shaded areas.
What’s the best kind of sunscreen? Everyone will have their preference but look for the following things broad-spectrum (which means it protects against both UVA and UVB rays) SPF of at least 30 and water-resistant a light moisturizer with SPF 30 should be good for daily usage.
Apply sunscreen frequently for the duration of the day on the off chance that you work outside, and wear caps and sun-protecting clothing.
Instructions to Apply Sunscreen
Shake before you use the sunscreen that may be bunched up in the container. Consider buying the spray or stick type of sunscreen.
Ensure to apply sufficient sunscreen. As a guideline, apply an ounce to cover your whole body.
Apply on all parts of your skin that is exposable to the sun, including the ears, back, shoulders, and the rear of the knees and legs.
Be cautious while applying sunscreen around the eyes.
When you buy Sunscreen, consider this
Select a broad-spectrum sunscreen that ensures against UV-A and UV-B beams and has a sun protection factor (SPF) not less than 30.
Search for a waterproof brand in case you are swimming. Purchase a non-stinging item or one explicitly formulated for the face.
Consider your allergies while buying sunscreen (try it in your hand first)
Try not to buy sunscreens with PABA (Para-aminobenzoic acid), which can cause skin sensitivities.
A few beauty care products contain sunscreen; however, they don’t offer sufficient protection from the sun. Ensure to put sunscreen before putting on cosmetics.