What pH range is considered safe for soap use?
What pH range is considered safe for soap use?
Results: Majority of the soaps have a pH within the range of 9-10. Majority of the shampoos have a pH within the range of 6-7.
Does pH matter in soap?
Generally, extruded soap, like the kind that we manufacture at our Winooski, VT factory, has a pH range of 8.0 – 10.0 depending on its INCI. It’s critical to note that while it is an important characteristic of a skincare item, pH does not have a direct relationship to how harsh or mild a product is.
What happens if soap is too alkaline?
Having substances with a pH that is different from your skin isn’t going to necessarily harm it, but if something that is too acidic or too alkaline enough comes in contact with your skin, it can cause skin irritations or even burn you.
How do you know if soap has lye?
pH Strips are another way to see if the soap is lye heavy. To use them, wet the soap with water and rub your hands on it to form bubbles. Insert the test strip in the lather. Then, compare the color on the strip to the chart on the packaging.
What pH levels are harmful?
Corrosive Bases When measured on the pH scale, anything above a 7 on the pH scale is considered a base. When the pH levels reach or exceed 12.5 pH, it then becomes hazardous. As with all hazardous wastes, when in contact with human or environmental health, it can be very dangerous.
What has a pH of 13?
bleach
Common examples of acids and bases
| pH Value | H+ Concentration Relative to Pure Water | Example |
|---|---|---|
| 11 | 0.000 1 | ammonia solution |
| 12 | 0.000 01 | soapy water |
| 13 | 0.000 001 | bleach, oven cleaner |
| 14 | 0.000 000 1 | liquid drain cleaner |
What pH is lye heavy soap?
pH 11-14
Normal pH is around 9-10. If the soap is 9-10 it will turn light green. If the soap is pH 11-14, it is lye heavy. The pH strip will turn a dark green or purple in that case.