Ultraviolet rays are good for skin health, but only in moderation. SPF helps to limit their impact and protect the epidermis from burning. It is important to be able to properly select and apply this cosmetics, to distinguish an effective product from low-quality creams.
Sun Protection Factor
There are two types of radiation – A and B. The first type (UVA) does not cause burns on the skin and its redness but causes maximum damage in the form of accelerated photo-ageing and provocation of the development of cancer. An excess of the second type of rays (UVB) is accompanied by hyperemia and blisters on the epidermis, burning sensation, and itching. SPF protection works exclusively against B-radiation. Cosmetics with UVA filters are additionally marked with PPD index.
The SPF value indicates how many times the skin becomes more resistant to exposure under the sun. For example, the number 50 next to the protection factor means that the epidermis, smeared with cream, will safely withstand 50 times the large portion of ultraviolet rays of type B than without applying cosmetics. SPF funds should not be used to extend the stay on the beach, especially from 10 to 16 hours. They are designed to reduce the risk of burns when forced under the action of ultraviolet radiation.
SPF 15 Sunscreen
Products with the specified value of the tread factor provide a high degree of radiation filtering. The sunblock cream SPF 10-20 guarantees a reflection of about 95% of the UVB ultraviolet. At the same time, the considered cosmetic increases the skin’s resistance to negative effects by 15 times. This sunscreen is perfect for city dwellers who have to stay under the open sun for a long time. On the beach SPF 15 can take people with dark skin, the owners of the “porcelain” epidermis is better to buy other drugs.
SPF 30 Sunscreen
Cosmetics with the described value refers to intensive protective means. Sun face cream SPF 30 is often recommended, but there are similar products for the body. Filters in these preparations reflect approximately 97% of ultraviolet rays. SPF for face or body 30 enhances skin resistance to UVB by 30 times and prevents burning of the epidermis. The presented cosmetics are considered universal because they are well suited for any color types.
SPF 50 Sunscreen
This product is also called a san block, it provides protection from 99.5% of type B ultraviolet. The SPF 50 sunscreen with additional PPD marking will help prevent photoaging of the skin. These drugs prevent the development of melanoma and squamous dermal cancer. Sunscreen with the value of the protective factor 50 is the most intense drug in the segment under consideration. It is suitable for both owners of dark and very fair skin.
SPF 100 Sunscreen
The above facts indicate that the value of the tread factor is more than 50 – the standard marketing technique. You should not buy such a sunscreen – 100% of UV rays will not be able to filter out any cosmetic product. The described agents often do not meet the medical quality criteria and contain many parabens, which cause even more harm to the skin than ultraviolet.
Sunscreen is Made of:
Before purchasing the cosmetics in question, it is important to carefully examine its ingredients. They mainly characterize sunscreen – which is better and safer, more intensively protects the skin from UV radiation. In good products there are two types of filters:
Physical – zinc oxide and titanium dioxide. These components work as reflectors, they remain on the surface of the epidermis and screen ultraviolet rays.
Chemical – benzophenone, octinoxate or avobenzone. Such components are absorbed into the skin and theoretically convert the energy of the sun into heat, protecting it from both types of ultraviolet radiation (A and B). While there is no medical evidence of this process, therefore, dermatologists recommend carefully applying sunscreen with chemical filters.
Other physical ingredients that provide UV protection:
- Parsol 1789
- mexoril (XL, SX)
- Chemical components
- he dodged
- octyl methoxycinnamate
- paraaminobenzoic acid
- uvasorb met
Additionally, the described means should include compounds that prevent drying and irritation of the skin. Good quality nourishing and moisturizing sunscreen contains:
- vitamin E
- plant extracts (calendula, chamomile, and others)
- natural oils
Sunscreen for face
Women are accustomed to using makeup regularly or even daily. Many of the drugs presented badly combined with it, can cause the appearance of oily shine on the skin, the formation of comedones or a change in pigment in the tonal tool. Before acquiring a tread product, dermatologists advise studying the rating of sunscreens for each type of epidermis. This will help to choose the most efficient and at the same time quality product.
Sunscreen for oily skin
Owners of excessively active sebaceous glands and certain defects (acne, acne) need to look for non-comedogenic cosmetics without mineral oils with a high protection factor. Sunscreen facial 50 (SPF) for problem, combination or oily skin is recommended to choose from the following list:
- Vichy Capital Soleil
- Clinique Face Cream 5
- Mary Cohr Sun Protection
- Lancaster Sun Beauty Care
- Clarins UV Plus HP Ecran Multi-Protection
Sunscreen for dry skin
If the epidermis is prone to flaking and irritation, it is important to treat it intensively with moisturizing agents. The leader in this segment is the Korean sunscreen Lacvert SunBlock Ultra Defense. Its cheaper, but identically high-quality counterpart is the 3W Clinic Intensive UV SunBlock Cream. SPF 25-50 Nourishing Sunscreen for the face can be selected from the following items:
- Lancôme Bienfait UV
- IS Clinical Treatment Sunscreen
- Uriage Bariésun
- Avéne 50+
- L’Oréal Sublime Sun
In summer, the described products can replace day-care cosmetics, so some of them are enriched with anti-aging ingredients. Sunscreen with anti-aging effect contains coenzymes and antioxidants, in addition to its composition includes bleaching ingredients. This provides not only the smoothing of folds, but also the correction of other signs of aging. Sunscreen for pigment spots and wrinkles:
- Clarins 50+
- Matis Reponse Soleil
- Chanel Essentiel Anti Pollution Precision UV
- Babor Anti-Aging Sun Cream
- Cefine UV Cut Écru Premiere
Some manufacturers offer products with the properties of decorative cosmetics. Tinted coatings perfectly mask imperfections, even out the tone and matte, while simultaneously blocking the action of ultraviolet radiation. The best sunscreen for the face with the specified qualities is recommended to select from the following brands:
- Clinique City Block Sheer
- Helena Rubinstein Premium UV
- Bioderma Photoderm Tinted Cream
- MeMeMe Flawless
- Dior Hydra Life
Oncological pathologies of the skin often develop on the background of irradiation of moles with ultraviolet rays. Going to the beach or moving around in the city in light clothing, it is important to treat the open areas with special preparations, especially if there are nevi on them.
Sunscreen for children
The skin of babies is sensitive to ultraviolet radiation and harmful chemical compounds in the composition of cosmetic products. Children’s sunscreen should be as natural and hypoallergenic as possible. The child cannot be applied with parabens, “heavy” mineral oils, and dangerous preservatives. Africa Kids Swim & Play.