PH FOR A HEALTHY GLOWING SKIN
In chemistry, pH denotes “potential of hydrogen or power of hydrogen”. pH is a scale used to specify the acidity or basicity of an aqueous solution. If the pH value is high, the product is alkaline and if it is low, the product is acidic.
Handmade soap can be hazardous to skin if consumers are misinformed and without scientific basis on how to make soap that is a perfect match for the skin’s pH level. The pH of handmade soap should be slightly alkaline to suit our skin.
How to calculate pH ?
pH Scale:
The pH scale ranges from 0 to 14. The pH range from 0 to 6 is acidic. pH 7 is considered as neutral. pH 8 to 14 is alkaline.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Acidic pH Neutral pHAlkaline pH
Eg: HCL, H₂SO₄ eg: H₂O eg: NaoH, KoH
Role of pH in soap making:
Soap is a product formed by the process of saponification which includes a reaction between alkali and oil.
Oil + Base a soap + Glycerin
Fat + strong alkaline solution a soap
Making cold process soap successfully requires precise measurements of lye and oil. If too much lye is used the soap will be lye heavy, which can irritate or even burn the skin.
Lye heavy soap will have a higher pH than perfectly balanced cold process soap.
Initially during soap formation pH range will be between 10-12 because of the presence of strong alkaline solution.
The pH drops to 7.5 when the curing takes place. If the pH is 7-8, the soap thus formed is mild and it will suits the skin. Normally healthy skin has a pH range of 5.4 – 5.9. Use of soap with high pH causes an increase in skin pH, which in turn causes an increase in dehydrative effect, irritability etc.
Remember, pH balance is required for a healthy and glowing skin. Carefully considering the pH levels of the soaps you use will help you achieve that ideal skin pH. Therefore pH plays a vital role in the usage of soap. Why there is pH drop will be explained in another video given Below,
watch out the full video by clicking on the below link
View this project in video format
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