Gauging UV Light Exposure to Reduce Vitamin D Deficiency

Feb 1, 2012 | Contact Author | By: Jack Surrette, SkinHealth Technology LLC
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Title: Gauging UV Light Exposure to Reduce Vitamin D Deficiency
vitamin Dx UV exposurex MEDx sensorx UVB spectrumx
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Keywords: vitamin D | UV exposure | MED | sensor | UVB spectrum

Abstract: Vitamin D is critical to human health and the best source is from natural UVB light. However, contrary to the benefits gained are the well-documented damaging effects of sun exposure. In response, described here as a complementary approach to sun care is the development of an accurate gauge of UV exposure to produce optimum levels of vitamin D before sunburn results.

Market Data

  • Consumer segmentation has become increasingly important.
  • Increasingly higher SPFs available in skin care and makeup products requires sun care brands to compete on convenience and multifunctional benefits.
  • If sun care brands want consumers to use their products daily, they need to differentiate the efficacy and protection value of sun care products from the protection provided by multipurpose products, which do not provide UVA protection.
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Vitamin D is widely recognized as a critical component to human health. The breadth of its importance is well-documented by Michael F. Holick, PhD, MD,1 a leading expert in vitamin D research, who wrote in the consumer press that if he could name one single “secret ingredient” to prevent and in many cases treat ailments including: heart disease, common cancers, stroke, types 1 and 2 diabetes, dementia, depression, insomnia, muscle weakness, joint pain, osteoporosis, psoriasis and hypertension, among others, it would be vitamin D. Holick’s findings are profound and encapsulated in his simple statement: “With adequate levels of vitamin D, you will live longer.” Table 1 summarizes some of the benefits of vitamin D he has found.

Considerable debate exists in the scientific community as to the minimum level of vitamin D necessary to optimize human health. The US Department of Agriculture’s (USDA’s) daily recommendation for vitamin D was increased from 400 to 600 IUs (international units) late in 2011.2 This amount is challenged by Holick and other health professionals who recommend a minimum of 1,000 IUs daily.3 In fact, according to a recent study in the Archives of Internal Medicine, 75% of Americans do not get enough vitamin D.4

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This content is adapted from an article in GCI Magazine. The original version can be found here.





Table 1. Vitamin D benefits

Table 1. Vitamin D benefits1

Body site  Benefits
 Bones  Prevents osteopenia, osteoporosis, osteomalacia, rickets and fractures
Cells in general  Prevents certain cancers such as prostate, pancreatic, breast, ovarian, and colon; prevents infectious diseases
Respiratory system Prevents upper respiratory-tract infections, asthma and wheezing disorders
Organs in general Prevents heart disease and stroke; prevents type 2 diabetes, periodontitis and tooth loss, and other inflammatory diseases
Muscular system Supports muscle strength
Autoimmune system Prevents multiple sclerosis, type 1 diabetes mellitus, Crohn’s disease and rheumatoid arthritis
Brain Prevents depression, schizophrenia, Alzheimer’s disease and dementia
Well-being/mood Prevents seasonal affective disorder, premenstrual syndrome (PMS, also known as premenstrual tension) and sleeping disorders, elevates the sense of well-being


a Research was conducted by Florida Suncare Testing, Inc., Ormond Beach, Fla., USA.


b The PMA 2100 Radiometer is a device manufactured by Solar Light Co., Inc.

c The model CR2000 Chromameter is a device manufactured by Minolta.

d The Xenon Arc Solar Simulator is a single port device manufactured by Solar Light Co., Inc., and certified by Rapid Precision Testing Laboratory.

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