Live your best life & take care
Although I am writing this blog post as a private person, the skin care company I am working for as a senior global medical manager was one of the first, if not the first to understand the importance of optimal pH balance of the skin, the cornerstone for healthy skin of face and body. Every day, we expose our skin to pH disruptors, like water (usually a pH of 7-8), alkaline soap, sun, pollution and many more. Even though our skin is resilient and eventually will go back to it’s optimal pH (»5), it is common sense and beneficial for our skin’s health to support our skin with a suitable skin care regimen, reducing disruption and promoting pH-balance.
WHAT IS pH? pH literally means the power (or concentration) of hydrogen atoms in a substance. Substances with a higher concentration of Hydrogen atoms than Hydroxide molecules have a greater acidic 'power' (acids), while those with lower H+ (Hydrogen) and higher OH- (Hydroxide) concentrations have less acidic power (bases). The pH scale runs from 0 to 14: 7 is a neutral pH, values below 7 (6-0) are increasingly acidic while values above 7 (8-14) are increasingly basic. There is a 10-fold difference in concentration between these values, meaning that pH 0 is 10 times stronger than pH 1, 100 times stronger than pH 2, and 10,000,000 times stronger than pH 7. With other words; a slight increase in pH, can make a big difference for your skin. SOME PHYSIOLOGICAL FUNCTIONS OF SKIN pH
SKIN BARRIER pH plays a fundamental role in the skin's barrier, acid mantle or buffer, which is formed by secretions from sweat and sebaceous glands as well as the breakdown of fatty acids by beneficial micro-flora. The barrier functions like an invisible protective veil (hydrolipid film) that protects skin’s lipids, moisture loss and unwanted allergens, pollution and bacteria. The acid mantle is at its strongest and most optimal balanced when the skin is slightly acidic, with an average pH of about 5.5 (ranging anywhere from 4.5 to 6.2). However, different areas of the body have slightly different requirements and different optimal pH ranges. The skin of women is slightly more acidic than skin of men. pH BIORYTHM Skin surface pH decreases during normal working hours with maximum values in the afternoon and minimum values during night time. You’ve probably heard that our skin regeneration is most optimal during night time? Indeed, our skin’s pH plays a key role in this too. In separate posts I will address various specific skin pH related topics, as I could go on forever about pH. There is so much to share on this topic (and still to discover) and balanced pH is essential for healthy skin, from cradle to grave, for all skin types & all phototypes. Please check out my other posts, if you are interested. Hope you enjoy healthy skin & take care.
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