As a research and development consultant, dermatological researcher Robert S. Baraczek has formulated diverse types of products. Robert S. Baraczek works closely with cosmetics companies to produce hair care products, moisturizers, and sunscreens.
Sunscreen strength is measured by its sun protective factor (SPF). Creams with high SPF numbers filter a high percentage of UVB rays, the type of ultraviolet light that causes sunburns. While some sunscreens on the market have an SPF as low as 6, the American Cancer Society and the American Academy of Dermatology advise using a product with an SPF of at least 30 to reduce the risk of skin cancer.
However, sunscreens with a high SPF still may cause problems. Using a sunscreen with a high SPF may result in sunbathers spending more time in the sun because of a false sense of security. For this reason, experts recommend a liberal reapplication of sunscreens of any SPF at least every two hours.
