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Super simple salicylic acid cleansing pads
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Formula is available in spreadsheet form here.
| Ingredient | Amount |
|---|---|
| Purified water | q.s. |
| Propylene glycol | 30% |
| Ethanol | 7% |
| Salicylic acid | 1% - 2% |
| Triethanolamine (TEA) | add to pH 3 |
| Red food coloring | optional |
| Preservative | 1% |
Notes:
- Non-woven sponges are good for use as pads. Example.
- Make sure the container remains sealed when not in use
- Ethanol can be sourced as 190 or 200 proof 'grain alcohol' or 'neutral grain spirits' or 'Everclear' or can be substituted with 70 proof vodka at 20% -- Don't use denatured alcohol!
- This is technically an OTC product -- selling it requires FDA approval
- Germaben II works as a preservative
Directions:
Mix propylene glycol and salicylic acid. Heat very low until dissolved and add ethanol and water to 90% of formula weight, then check pH. Add TEA until pH reaches at least 3. Add preservative and remaining water. Soak pads with product and place in sealed container.
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