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| Name | What is PA++++? | which sunscreen should be used?| PA++ explained| pa+++ reviewed | |
| Video Uploader | Video From THE TRIAL ROOM |
| Upload Date | This Video Uploaded At 26-04-2022 18:11:57 |
| Video Discription | What does this (PA++++) sunscreen rating mean? As if sunscreen labels weren't confusing enough, with SPF numbers, broad-spectrum labels and water-resistance minutes. PA++++ is a new rating showing up on sunscreen labels - and here's what you need to know. PA Rating Explained The PA Rating System was developed in Japan in 1996 and is an independent UVA protection score. PA stands for the 'Protection Grade of UVA Rays.' The rating is based on a method where researchers in a lab determine a score based on Persistent Pigment Darkening (PPD). The test uses UVA radiation to cause persistent tanning of the skin. PPD is tested on a variety of people, all exposed to UVA light. Each person is analyzed to record how long it takes for his/her skin to darken and tan. Researchers then compare the results between unprotected and protected skin. In theory, sunscreen with a PPD rating of 10 should allow a person to handle 10 times as much UVA exposure. PPD results are grouped and simplified into PA measurements: If a product's PPD is 2 to 4, the PA = PA+ If a product's PPD is 4 to 8, the PA = PA++ If a product's PPD is 8 to 16, the PA = PA+++ If a product's PPD is 16 or higher, the PA = PA++++ Instagram: https://www.instagram.com/p/CbcI5C3ADQv/?igshid=YmMyMTA2M2Y= Spf what is pa++++? what is the meaning of pa++++? sunscreen sunscreen for oily skin sunscreen for dry skin sunscreen for sensitive skin sunscreen for acne prone skin lakme sunscreen mamaearth sunscreen nutrejena sunscreen Requil sunscreen palm sunscreen uv rays uv a uvb uv c mininilist sunscreen sunscreen cream best sunscreen 2022 sunburn skin cancer tanning pigmentation |
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