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Future Sunscreen May Contain DNA ?€‘± and It Gets Better the Longer You Wear It

Medical innovators have developed a coating made out of DNA that not only improves its ability to protect skin from harmful ultraviolet (UV) light the longer it?€?s exposed to the sun?€?s rays but also keeps skin hydrated.

?€?Ultraviolet light can actually damage DNA, and that?€?s not good for the skin,?€? said??Guy German, assistant professor of biomedical engineering at Binghamton University in New York. ?€?We thought, let?€?s flip it. What happens instead if we actually used DNA as a sacrificial layer? So instead of damaging DNA within the skin, we damage a layer on top of the skin.?€?

German tells Yahoo Beauty that he and his colleagues ?€?purchased inexpensive DNA that is readily available from scientific distributors ?€‘± they sell a variety of DNA from different sources.?€?

The study author further explains that the team created water-based DNA solutions, and when this compound is ?€?coated on a surface ?€‘± for instance, the glass slides or skin samples we used in the study ?€‘± they dry out and form solid films.?€? He continues: ?€?When we imaged them at high magnification (using a scanning electron microscope), we discovered that the films were made up of lots and lots of small ?€‘± less than a micrometer ?€‘± DNA crystals.?€?

And the more the researchers exposed the thin and optically transparent DNA-based film to UV light, the better the film got at absorbing it. ?€?If you translate that, it means to me that if you use this as a topical cream or sunscreen, the longer that you stay out on the beach, the better it gets at being a sunscreen,?€? German added in a press release.

Along with investigating the possible healing properties a DNA film may have on wounds ?€‘± German and his team theorize that this solution could be a viable treatment if you want to be able to see a wound healing without removing the dressing, if you want to protect the wound from the sun, and if you want to keep the wound in a moist environment, known to promote faster wound healing rates ?€‘± they?€?re also expanding their probe on DNA sunscreen based on their latest findings, which were published in the journal Scientific Reports.

?€?Our current research is exploring ways to make these films better at attenuating UV [light],?€? concludes German. ?€?We are also examining how UV light alters the structure of the DNA films.?€?

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