Yarrow powder

Anne-Marie Faiola, Pure Soapmaking (Storey Publishing, 2016), chapter 5, "Herbal and Other Additives for Soap", each at "2 tsp powder per pound of soap": olive leaf powder, "Yellow/green", "Will fade with exposure to light"; comfrey powder, "Light green", "Gel phase enhances the color. Will fade substantially with exposure to light"; nettle leaf powder, "Green"; spirulina powder, "Deep green", "Color is enhanced by a hot gel phase, but will fade substantially with exposure to light"; indigo powder, "Blue/gray", "added as a dispersed powder ... or added directly to hot lye-water before combining oils"; alkanet root powder, "Purple/gray", "Infusion will fade over time; dispersed powder is more color stable"; paprika, "Red/orange", "Gives a speckled appearance"; rose clay, "Rosy pink", "Disperse in distilled water instead of oil"; madder root powder, "Dark red"; yarrow powder, "Yellow/tan", "Dispersed powder can be added at trace, or the dry powder can be infused into lye-water to create a more yellow hue"; cocoa powder, "Rich brown", "Gel phase enhances the color, as does exposure to air". For the chart’s soaps "all powdered additives were dispersed at a ratio of 1 part powder: 3 parts oil"; "The colorants were added at trace and went through gel phase." Oil infusions: "most soapers use at least 2 tablespoons of herb for every 4 ounces of oil. I prefer to use a tablespoon of herb for every ounce." Clay in the water before the lye: "The heat reaction from the lye-water will produce a deeper color than will adding the clay at thin trace".

Alicia Grosso, The Everything Soapmaking Book, 3rd edition (Adams Media, 2013), chapter 13: "Yarrow (Achillea millefolium): Dried and fresh flowers and leaves release a bright yellow dye into boiling water, lye infusion, and in oil"; "Bamboo sap powder is a gentle and thorough exfoliator, but it is best to start with 1 teaspoon bamboo sap powder per pound of oils"; cocoa powder, "in high concentrations it will produce brown lather"; calendula for a sun-infused oil, "Use about 3 tablespoons of petals per pound of oil".

Anne-Marie Faiola, Pure Soapmaking (Storey Publishing, 2016), recipes in chapters 8–10. 100% Castile-Brine Stamped Cube: "1 tablespoon sea salt" dissolved in the water before the lye, for 33 oz of olive oil. Oatmeal Soap for Babies: "2 teaspoons bentonite clay dispersed into 4 tablespoons distilled water" and "2 tablespoons colloidal oatmeal" at thin trace, for 15.1 oz of oils whose olive oil is infused with "2 tablespoons Egyptian chamomile" in a teabag in 14.5 oz of oil, 2 hours in a double boiler. Nettle & Yarrow Upcycle: "2 teaspoons dried yarrow powder dispersed into 1 tablespoon apricot kernel oil" in one of two halves of 24.1 oz of oils. Buttermilk Honeycombs: "3 tablespoons honey" at thin trace for 25.1 oz of oils. Banana Cream Pie Layered Bars: "1.2 ounces banana, 1.5 ounces whipping cream, and 1.5 ounces water, pureed" at thin trace for 35.2 oz of oils, then the freezer "for 24 hours to avoid overheating from the sugars in the banana". Annatto-Yarrow with Embeds: "1 tablespoon spirulina powder" and "1 teaspoon yarrow powder", added "directly to the hot lye-water", for 7.1 oz of oils; "2 tablespoons poppy seeds" in one of two halves of 34 oz of oils. Cucumber Layers: "1 ounce cucumber puree" into the whole batch at thin trace, 22 oz of oils. Gardener Scrub with Coffee Grounds: 50 oz of oils, the batter divided "into four exactly equal sections", one each for "5 teaspoons paprika", "5 teaspoons ground orange peel dispersed into 1 tablespoon of canola oil", "5 teaspoons brewed coffee grounds" and "10 teaspoons green zeolite clay". Indigo-Annatto Negative-Space Funnel Pour: "1.5 tablespoons indigo powder" whisked into the lye-water and "1 tablespoon alkanet root powder dispersed into 1 ounce sunflower oil" at very thin trace, 35.2 oz of oils; "In order to bring out the best color for the indigo powder, the soap must go through a hot gel phase". Black Tea Funnel Pour: 5.5 oz of brewed black tea added at thin trace, 5.5 oz of water for the lye, 33.1 oz of oils. Goat Milk Sunset Burst: "0.7 ounce goat milk powder dissolved in 1 ounce distilled water" for 17.1 oz of oils and "1 ounce goat milk powder" for 25.2 oz, added at trace: "To help avoid scorching, this recipe incorporates the goat milk by using a concentrated solution of powdered goat milk."

Alicia Grosso, The Everything Soapmaking Book, 3rd edition (Adams Media, 2013). Chapter 8, hot process: recipes on a "2-pound batch recipe of your choice" that each "YIELDS 3 POUNDS", the addition stirred "into the neutral soap" after the cook: "3 tablespoons baking soda" and "2 tablespoons lemon zest" (Lemon/Baking Soda Kitchen Soap), "2 tablespoons yellow cornmeal", "1 tablespoon dried lavender flowers", "1 tablespoon mint, dried and ground", "1 tablespoon dried yarrow"; "You can add liquid glycerin to hot-process soap to get it to flow more easily from the mold. Use 1 tablespoon for each pound of oils in the batch." Chapter 9, transparent soap: 19.5 oz of oils with "10 ounces (plus 2 ounces more if needed for clarity) 90 percent ethanol (190 proof vodka)" (190 proof is 95 %) and "5 ounces sugar"; "Alcohol fumes are highly flammable." Chapter 11, Lavender Oat Float: "1 tablespoon dried lavender flowers" for "1 pound casting soap".

EU: Regulation (EC) No 1223/2009, Article 14(1)(c), a product may contain as colourants only those in Annex IV. US: 21 CFR Part 73 Subpart C lists the colour additives for cosmetics, and turmeric, paprika and spirulina are listed for food only; under 21 CFR 701.20 a true soap, sold only as soap, is not a cosmetic.

Monterey Bay Herb Company (herbco.com), powder product pages, "approximate cups to one pound": comfrey leaf powder, wild crafted, 5 (0.383 g/mL); yarrow flower and herb powder 10 (0.192 g/mL); alkanet root powder 5 (0.383 g/mL; the product is discontinued and the page archived on 31 May 2023). Density = 453.6 g ÷ (cups × 236.6 mL).