Advanced Soapmaking: The Math
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The HSCG is a registered, non-profit, membership trade association (IRS 501(c)(6)) for the handcrafted soap and cosmetic industry. Membership is open to handcrafters of soap and cosmetic products, vendors who supply materials, ingredients and/or services to the industry, and private labelers who purchase and resell handcrafted soap and cosmetic products.
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