Tanya of Lovely Greens on the Isle of Man (UK) has a wonderful site where you can learn the basics to make natural soap using essential oils, natural colorants, herbs, clays, etc. There are lots of recipes to hone your soap making skills and experience a variety of handcrafted soaps, including
Lovely Greens Handmade Beauty & Soap Making Lessons
Easy Soap Making Project: Flax Soap with Orange Homemade soap recipes, Easy soap making recipes, Soap making recipes
Lily Of the Valley Soap Soapmaking Forum - Soap & Candle Forums
Zesty Citrus & Calendula Soap Recipe • Lovely Greens
Natural Soapmaking for Beginners
Natural Carrot Soap Made from Real Carrots
Learn to make Natural Soap with this in-depth Soapmaking Guide
30 of the Best Free Soap Recipes • Lovely Greens
List of Natural Soap Plants High in Saponins • Lovely Greens
The Best Essential Oils for Soap Making and How to Help Them 'Stick' - The Soap Coach
Prickly skin???? Soapmaking Forum - Soap & Candle Forums
Free Beginner's Guide to Soapmaking: Melt and Pour - Soap Queen