Lather & Lye

Scents & Colors

How to make soap that looks and smells wonderful: fragrance oils versus essential oils and their usage rates and quirks in cold process, natural colorants, clays and micas, simple swirls, layers and tops, and how to keep a fragrance from accelerating trace or a color from morphing once it hits the lye.

Scents & Colors

8 guides
Scents & Colors

How to Layer and Top Soap for a Beautiful Bar

Learn soap layering and tops for cold process bars: timing your pours, decorating with swirls and peaks, and choosing colorants that stay true after cure.

July 3, 2026
Scents & Colors

Fragrance Oils vs. Essential Oils in Soap

A practical guide for beginners on choosing between fragrance oils and essential oils for soap, covering safety, performance, cost, and usage rates.

July 2, 2026
Scents & Colors

Which Essential Oils Survive in Cold Process Soap?

Not all essential oils hold up through saponification. Learn which ones last, which ones fade, and how to use them at the right rates.

June 30, 2026
Scents & Colors

Why Did My Soap Fragrance Fade or Change?

Soap fragrance fading is one of the most common beginner frustrations. Learn why scent disappears and how to make it stick in cold-process soap.

June 26, 2026
Scents & Colors

How to Make a Simple Soap Swirl

Learn how to swirl cold process soap like a pro. This beginner guide covers in-the-pot swirls, colorant prep, and tips for clean, repeatable results.

June 19, 2026
Scents & Colors

Using Mica to Color Cold Process Soap

Learn how to use mica in cold process soap safely: choosing CP-stable pigments, dispersing in oil, usage rates, and techniques for swirls and painted tops.

June 15, 2026
Scents & Colors

How to Color Soap Naturally

A beginner's guide to coloring cold process soap with clays, plant powders, and other natural colorants — what colors to expect and how to add them.

June 11, 2026
Scents & Colors

How Much Fragrance to Add to Soap

Learn how much fragrance oil or essential oil to add to soap, why usage rates matter, and how to calculate the right amount for safe, long-lasting scent.

June 7, 2026

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