Ultraviolet germicidal irradiation

Now that we have a clear understand on what SPF is and how sunscreen works, it is time to do my experiment. In order to conduct my experiment, I needed to obtain the following materials. 4 bottles of Neutrogena Sunscreen ( SPF 45, SPF 55, SPF 70, SPF 100) A box of ziplock bags Sharpie (To mark the plastic bags) Plastic spoons (To help spread the sunscreen on the plastic bags) UV Beads String UV Index Once I gathered all of these materials, I cut 5 pieces of string and then opened the UV beads.…

Both UVA and UVB destroy vitamin A in skin, which may cause further damage. UVB light can cause direct DNA damage. In defense, our body releases a pigment called melanin, which is produced by cells in our skin called melanocytes. Melanin absorbs ultraviolet light and dissipates it as heat. According to Gary Chuang, assistant professor of dermatology at Tufts University School of Medicine says,” Melanin is a natural sunscreen. When your body senses sun damage, what it does is it starts sending…

Then, using the same procedure as before, the solutions ' ultraviolet absorptions at 450 and 595 were determined and recorded in Table 4. As for the BCA assay, 100 microliters of each ovalbumin dilution were combined with 900 microliters of BCA, and the resulting solution were analyzed with a spectrophotometer in…

Whitening cream is the products which emphasizes on moisturising skin and making skin lighter (“Skin Whitening Cream”, n.d.). This kind of products is very popular because many people obsess in having lightening skin while only few people were naturally born with white skin. Composing with the media that brainwash people’s mind, the advertisement of whitening cream mostly presents the idea of praising individuals who have white skin. Consequently, individuals’ idea have changed by many factors…

The Secret Of Youthful And Radiant Skin YOUR SKIN IS DELICATE There are quite a few factors that may indicate the pace at which the skin decays.There are factors like exposure to direct sun rays and pollution. It could also be your smoking habits or your daily food habits ! The most dominant of these are the genetic or hereditary factors like your skin texture and type. Usually, fair skin turns crinkly more rapidly than wheatish or dark skin as they are shielded by high amounts of lipids and…

Aromatherapy is an age-old method of using a variety of common scents to arouse certain results in common ailments of the mind and body. The use of scents to produce certain results has been used for many centuries. The scents that are used for the purpose of aromatherapy have been developed from numerous herbs, flowers, fruits, and other common and uncommon plants. The scents that are derived from the above-mentioned resources are normally started as an essential oil. Essential oils have a…

everyday, but the sun produces ultraviolet radiations that can damage the human skin and lead to skin cancer. Ultraviolet radiation is composed of three types of rays; ultraviolet A, ultraviolet B, and ultraviolet C. Ultraviolet C is the most dangerous type of radiation, but does not penetrate the earth’s ozone layer unlike ultraviolet A and B (Medicinenet, 2013). Ultraviolet A stimulates melanin pigmentation, as it is able to reach deep into the dermis. Ultraviolet B is mainly absorbed by the…

When you require prescription glasses to get through the day, you probably already know how important your eye sight is. We are only blessed with this one set of eyes, so we need to take care of them. Get yourself a pair of prescription sunglasses and protect yourself from harmful UV rays. Ask your eye doctor about getting prescription sunglasses. When the summer sun brightens, most people wear sunglasses. You'll see them on everyone from newborns to the elderly. The reason is that the sun can…

Having tanned skin is considered a very popular fashion statement and has grown in popularity exponentially throughout the more recent years. Tanning is the process of the changing in color of the skin’s pigmentation as a result of being exposed to ultraviolet radiation (Driscoll and Darcy 59). Now, tanning salons have spread to the likings of minors who are damaging their skin at an early stage of their lives. This has become a problem that has sprung many controversial issues throughout…

Human development comes from many different factors. we have adapted and mutated into the beings we are today and with that we will continue to adapt and mutate to our surroundings as we live on. Now, when it comes to being culturally defined, I believe that human development can be culturally defined. For example, people that a re native to Africa have slim bodies and are naturally more cut muscularly do to the lack of food they are skinny, but with everything they do being a physical challenge…