Shea Butter and Oatmeal Soap

Last updated: July 2026

Some soaps are made for a quick wash — this one's made for the days your skin needs a little more care. This traditional cold-process recipe pairs Shea Butter with coconut oil, olive oil, and castor oil for a rich, moisturizing lather, then folds in ground oatmeal for the gentlest kind of exfoliation. Compared to store-bought bars that rely on synthetic detergents and stripping surfactants, this soap keeps its full glycerin content, so skin stays soft and comfortable rather than tight and dry. If you're new to cold-process soap, our How to Make Shea Butter Soap guide walks through the basics so you can follow along with confidence.

In This Recipe:

• What This Recipe Helps With
• Before You Begin: Soap-Making Safety
• Ingredients
• Directions
• Customisation Ideas
• Storage & Shelf Life
• Voice Search FAQ
• Try These Next
• Disclaimer

What This Recipe Helps With

• Making a gentle, calming bar for sensitive or easily irritated skin
• Adding mild, soothing exfoliation to a daily cleansing routine
• Creating a comforting, low-fragrance soap for the whole family
• Building confidence with traditional cold-process soap making
• Crafting a moisturizing alternative to stripping commercial bar soap
• Giving skin a soft, gentle scrub without harsh exfoliants

Why This Is a Great DIY Recipe

This is a rewarding soap to make because oatmeal behaves so differently from coarser exfoliants — it folds into the batter smoothly and gives the finished bar a soft, flecked texture and a comforting, oat-milk color unlike anything on a drugstore shelf. Skill Level: Intermediate — you'll need to work confidently with lye and water, but the recipe uses only four base oils, so it's more forgiving than blends with a dozen ingredients. A batch this size yields approximately 10 bars at roughly 4 oz each, offering the same ounce-for-ounce quality as far pricier boutique bars. It's ideal for soap-makers who've completed a first batch and want a gentler, low-fragrance option, or anyone whose skin does better with mild, calming ingredients than with harsh commercial soap. If you'd like a deeper walkthrough of shea butter formulation before you begin, our Definitive Guide to DIY with Shea Butter covers the fundamentals in more depth.

Why These Ingredients Work Together

Shea Butter and coconut oil form the moisturizing backbone of this bar, contributing rich, stable lather and a creamy after-feel that offsets the cleansing power of the oils. Olive oil adds mildness and a silky, conditioning quality that balances the harder oils, while castor oil boosts lather and helps the bubbles last longer in the shower. Ground oatmeal is folded in near trace, providing very gentle mechanical exfoliation along with a calming, comforting feel on skin. Together, these ingredients saponify into a mild, long-lasting bar that cleanses without stripping, while the oatmeal turns every wash into a soft, soothing scrub.

Hero Ingredient Benefits

• Shea Butter: contributes deep, stable moisturizing lather and helps counter the drying effect of saponification, so the finished bar feels conditioning rather than harsh.
• Traditional Coconut Oil: brings big, bubbly lather and strong cleansing power, working alongside shea butter to keep the bar from feeling stripping.
• Olive Oil: adds mildness and a silky, conditioning quality that softens the overall feel of the bar.
• Castor Oil: boosts and stabilizes lather, helping bubbles last longer throughout a wash.
• Ground Oatmeal: provides very gentle exfoliation and a calming, comforting texture, ideal for skin that needs a softer touch.
• Sodium Hydroxide (Lye): the essential ingredient that reacts with the oils in saponification, transforming liquid oils into solid, cleansing soap.
• Distilled Water: dissolves the lye and carries it evenly through the oils during saponification — the only water used in this otherwise anhydrous formulation system, as is standard for soap.

Ingredients

• 454 g (1 lb) Shea Butter
• 454 g (1 lb) Traditional Coconut Oil
• 227 g (8 oz / 1/2 lb) olive oil
• 227 g (8 oz / 1/2 lb) castor oil
• 198 g (7 oz) sodium hydroxide (lye)
• 397 g (14 oz) distilled water
• 20 g (1/4 cup) ground oatmeal

Before You Begin: Soap-Making Safety

This recipe involves working with lye (sodium hydroxide) and is an adults-only project. Please read before starting:

• Wear protective gloves and eye protection whenever you are handling lye, mixing the lye solution, or working with raw soap batter.
• Work in a well-ventilated area — lye fumes can be sharp and irritating when the solution is first mixed.
• Always add lye to water, never water to lye. Adding water to lye can cause a dangerous, volcanic-style reaction.
• Keep lye, raw soap batter, and curing soap well out of reach of children and pets at every stage of the process.

Directions

1. Prepare your workspace and put on protective gloves and eye protection before handling any lye.
2. In a well-ventilated area, slowly add the sodium hydroxide to the distilled water (never water to lye), stirring until fully dissolved. Set the solution aside to cool to around 100–110°F (38–43°C).
3. Melt the Shea Butter, Traditional Coconut Oil, olive oil, and castor oil together over low heat until fully liquid, then let cool to a similar temperature range as the lye solution.
4. Slowly pour the lye solution into the melted oils, stirring continuously with a stick blender.
5. Blend in short bursts until the mixture reaches light trace — a thin, pudding-like consistency where a drizzle briefly holds its shape on the surface.
6. Stir in the ground oatmeal by hand until evenly distributed through the batter.
7. Pour the soap batter into your prepared mold and tap gently to release any trapped air bubbles.
8. Cover the mold and insulate lightly; let the soap set for 24–48 hours before unmolding.
9. Once unmolded, cut into bars and set them on a curing rack in a well-ventilated space.
10. Cure the bars for 4–6 weeks, turning occasionally, before using or gifting — this lets excess moisture evaporate and saponification fully complete.

Application Tips

Use the bar only once fully cured — never before the 4–6 week mark — for daily hand or body washing. Wet the bar and your hands, work into a lather, and massage gently over skin using small circular motions so the oatmeal provides a soft, calming scrub. Rinse thoroughly and follow with a moisturizer if your skin runs dry. Store the bar on a well-draining soap dish between uses to help it last longer.

Storage & Shelf Life

Keep bars in a cool, dry place away from direct sunlight during the 4–6 week cure. Once cured, store finished bars on a draining soap dish between uses, and keep any spare bars wrapped in breathable paper (not plastic) in a dry cupboard. Properly cured and stored, bars typically last 12–18 months.

Customisation Ideas

• Add a swirl of honey powder for extra sweetness and a warm golden tone.
• Try colloidal oatmeal instead of ground oatmeal for an even smoother, silkier finish.
• Use a loaf mold instead of individual cavities for a rustic, hand-cut look.
• Increase the castor oil slightly (re-run a soap calculator first) for extra-bubbly lather.
• Fold in dried lavender buds alongside the oatmeal for a calming, spa-like touch.

Essential Oils

Because this soap is designed to be gentle, unscented or lightly scented options work best. If you'd like to layer in a mild, calming scent:

• Lavender (8–10 drops): adds a soft, calming aroma that complements the gentle nature of this bar.
• Chamomile (6–8 drops): reinforces the soothing, comforting quality of the oatmeal.
• Sweet Orange (6–8 drops): adds a light, fresh note without overpowering sensitive skin. Use sparingly, as citrus oils can be more stimulating on delicate skin.

The Impact of Your Purchase

When you make skincare with Baraka ingredients, you're supporting women's cooperatives who earn fair wages and preserve traditional processing methods. According to Baraka's Social and Environmental Impact Report, this direct trade model provided income for over 1,000 women and prevented 47 metric tons of CO2 emissions. You also gain complete transparency — knowing exactly what touches your skin and your family's skin, without hidden synthetics or uncertain supply chains.

Meet one of the women behind these ingredients in this short film: Shea Butter Producer Zenabo Imoro.

Shop the Baraka Ingredients in This Recipe

Pure. Natural. Ethically sourced. Hand-crafted by women's cooperatives. These are the ingredients trusted throughout Baraka's DIY guides and recipes.

Shea Butter — Shop Now — Rich and deeply moisturising, naturally high in vitamins A and E. Nourishes dry skin and helps protect the skin barrier without clogging pores. A versatile base for balms, creams, and body butters.

Traditional Coconut Oil — Shop Now — Lightweight and versatile, softens skin and supports gentle cleansing. Adds slip and glide to balms, soaps, and body products. Absorbs well and helps protect hair proteins.

Voice Search FAQ

How do I make oatmeal soap with shea butter at home?
Melt shea butter, coconut oil, olive oil, and castor oil together, then combine with a dissolved sodium hydroxide and water solution using a stick blender until you reach trace. Stir in ground oatmeal, pour into a mold, and let the bars cure for 4–6 weeks before use.

What's a good DIY soap for sensitive skin?
A shea butter and oatmeal soap is a good option for sensitive skin because oatmeal provides very gentle exfoliation and a calming feel, while shea butter and coconut oil keep the bar moisturizing rather than stripping. Together they clean without harshness.

How long does homemade soap need to cure?
Cold-process soap made with this recipe needs 4–6 weeks to cure before use. Curing allows excess water to evaporate and lets saponification fully complete, resulting in a harder, gentler, longer-lasting bar than one used straight after unmolding.

Can I use colloidal oatmeal instead of ground oatmeal in soap?
Yes, colloidal oatmeal works well as a substitute and gives an even smoother, silkier finish since it's more finely milled. Ground oatmeal provides slightly more texture and exfoliation, so the choice comes down to personal preference.

Try These Next

If you enjoyed this recipe, you might also like:

• Shea Butter and Cocoa Butter Soap — a richer, ultra-moisturizing bar for very dry skin.
• Shea Butter and Tea Tree Oil Soap — for a fresh, herbal-scented alternative with a more purifying feel.
• Shea Butter and Rose Geranium Soap — a floral option with a lighter, more delicate scent profile.
• Shea Butter and Citrus Soap — a bright, energizing scent for those who want something more invigorating.
• Shea Butter and Goat's Milk Soap — another gentle, creamy option well suited to sensitive skin.

About These Ingredients

This recipe is expanded from Baraka's DIY Shea Butter Soap Making Recipes collection, which explores additional shea butter soap formulations and variations. Visit the full guide for more approaches to traditional cold-process soap making.

Disclaimer

The recipes and ingredients on this page are intended for cosmetic use only — for application to the skin, hair, and nails to cleanse, condition, and beautify. They have not been evaluated or approved by the Food and Drug Administration (FDA) or any other regulatory authority. These products are not intended to diagnose, treat, cure, or prevent any disease or medical condition. If you have a medical condition, skin condition, or known allergies, consult a qualified healthcare provider before use. Always patch-test new ingredients before full application. Keep all products away from eyes and out of reach of children. Results will vary between individuals.