This shampoo bar is specifically composed to threaten dry or damaged hair. The key in this recipe is the silk protein which has these extraordinary abilities to build up damaged hair.
If you have greasy hair we recommend this recipe instead: Shampoo Bar Recipe for Oily Hair
Oils used in this recipe
Here are links on where to buy the oils used in this recipe.
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Recipe percentages, lye, and superfat
This information is for advanced soapers. Go to recipe if you are new to soap making.
- 25% Olive Oil
- 25% Coconut Oil 76 deg
- 25% Shea Butter
- 15% Castor Oil
- 10% Avocado
- 26.484% Lye Concentration
- 38% Water percent of oil weight
- 5% Superfat
- 31.75 oz Total oil weight (900g)
Soap Bar Quality
| Soap Bar Quality | Range | Your Recipe |
| Hardness | 29 – 54 | 37 |
| Cleansing | 12 – 22 | 17 |
| Conditioning | 44 – 69 | 58 |
| Bubbly | 14 – 46 | 30 |
| Creamy | 16 – 48 | 34 |
| Iodine | 41 – 70 | 60 |
| INS | 136 – 165 | 144 |
Recipe for shampoo bar with Silk Protein
Shampoo bar recipe for dry or damaged hair
Equipment
- 2 plastic, glass, or steel bowls
- Wooden or plastic spoon
- Silicone molds
- Stick blender
- Thermometer
- pH meter or test strips
- Microwave oven
- Kitchen scale
- Safety gear
Materials
- 7.94 OZ Olive Oil 225 grams
- 7.94 OZ Shea Butter 225 grams
- 7.94 OZ Coconut Oil 225
- 4.76 OZ Castor Oil 135 grams
- 3.17 OZ Avocado Oil 90 grams
- 12.06 OZ Water 342 grams
- 4.35 OZ NaOH 123
- 1½ tsp Silk Protein
Instructions
- Read the soaping safely page, if you haven´t already
- Dissolve NaOH in the water by slowly adding the NaOH to the water and stirring gently with the spoon. Leave the mixture, now called lye, to cool down
- Melt Coconut Oil and Shea Butter in a microwave oven and mix it with the rest of the ingredients
- Wait until the lye is between 86 and 104 degrees F (20-40 degrees C) and heat up the oils to approx the same temperature if needed
- Mix the oils and the lye by slowly pouring the lye into the oils, blending it little by little
- Use a stick blender for 1-5 minutes until trace
- Stir in the silk protein
- Pour your batter into a mold or molds as you prefer
- Check if the soap is firm enough to cut after 24 hours
- Cut the soap bars (if you used a big mold) and trim the edges
- Leave to cure e.g. in a paper bag for 4 – 6 weeks and check pH. Store it by room temperature
Soap characteristics
| Lauric | 12 |
| Myristic | 5 |
| Palmitic | 9 |
| Stearic | 12 |
| Ricinoleic | 14 |
| Oleic | 38 |
| Linoleic | 7 |
| Linolenic | 0 |
