Natural Colorants vs. Mica in Artisan Soapmaking: | Section 5: Are Natural Soap Ingredients Better for You?

Natural ingredients in soap may not stay on the skin long, but they matter because they come from God’s creation—simple, unaltered, and true. Even though both natural and synthetic colorants are considered safe in a rinse-off product, I choose natural because it aligns with my values, my brand, and the integrity I want reflected in every bar of soap I make.

Shellylynn Henry, MS

12/3/20252 min read

Understanding Skin Contact, Saponification, and Why My Preference Goes Beyond Safety Claims

When people ask whether natural ingredients are “better” for the skin in soapmaking, the conversation often turns toward safety, irritation, or chemical exposure. While these topics matter, they do not fully address the heart of the issue — especially in soap, which is a rinse-off product.

So let’s break this down clearly, honestly, and from the perspective that guides my craft.

Soap Is a Rinse-Off Product — Meaning Skin Contact Is Limited

When soap is used, it is on the skin for:

  • a few seconds

  • then rinsed away

This is important because:

  • Most botanical compounds (like antioxidants or herbal benefits) do not remain on the skin long enough to absorb

  • Many plant nutrients do not survive saponification

  • Mica, clays, and powdered herbs do not penetrate the skin

  • Most colorants — natural or synthetic — wash off almost immediately

From a purely scientific standpoint, both natural colorants and mica are considered safe for use in cold process soap when sourced as cosmetic grade.

So the question becomes:

If both are safe…

why choose one over the other?

And that is where my philosophy comes in.

The Real Difference: Philosophy, Purity & Integrity of Ingredients

For me, the answer is simple:

Natural ingredients feel better — spiritually, emotionally, and intentionally — not because synthetic pigments are harmful, but because they are not God-made.

Natural ingredients:

  • come from creation

  • exist in a whole, unaltered form

  • carry the simplicity and honesty of the earth

  • align with a natural lifestyle

  • support the purity of my brand

  • feel more grounding and wholesome

Even if the skin does not absorb their full botanical benefits, their presence in my soap matters because:

  • They are real

  • They are true

  • They are unmodified

  • They are part of creation

This is a deeper “better” than the narrow, modern definition of “skin-safe.”

But What About Irritation?

Both natural and synthetic ingredients can irritate certain skin types:

Natural irritants might include:

  • botanicals with strong color (e.g., turmeric, madder root)

  • herbs with natural acids

  • plant powders with texture

  • certain clays when used in high amounts

Synthetic irritants might include:

  • certain dyes

  • non-cosmetic pigments

  • contaminated mica sources

  • additives in lab-created colorants

But this is not the core of my argument.

The point is:

  • Irritation depends on the person, not the ingredient category.

Even water can irritate skin if someone has eczema.

If Safety Isn’t the Deciding Factor, What Is?

For me, it’s about:

1. Truth

Natural colorants come from creation.
Synthetic pigments do not.

2. Simplicity

Natural ingredients require minimal processing.
Mica requires layers of chemical coatings and manufacturing.

3. Integrity

My brand identity is rooted in botanicals, nature, and authenticity.
Mica does not align with that message.

4. Connection to Creation

Using natural ingredients keeps my craft grounded in something real — something God made.

5. Wholeness

Natural ingredients maintain their character, uniqueness, and variation.
Synthetic pigments offer perfection, but not soul.

So… Are Natural Soap Ingredients “Better”?

In terms of skincare safety alone:

Natural and synthetic colorants are both acceptable in rinse-off soap when used properly.

But in terms of philosophy, purity, and purpose:

Yes — natural is absolutely better to me.

Natural is better because:

  • It honors creation

  • It respects the integrity of the earth

  • It reflects a simpler, more grounded approach to living

  • It aligns with my brand’s heart and message

  • It supports the truth and beauty of natural soapmaking

  • It avoids unnecessary additives

  • It feels right spiritually and personally

Better does not mean “safer.”
Better does not mean “more effective.”

Better, to me, means more true.

Final Perspective on Section 5

When it comes to soap, “better” is not only about safety or skin absorption — it’s about alignment with values. Natural ingredients may not dramatically change the skin because soap is washed away quickly, but they absolutely influence the integrity, identity, and meaning of the product.

And that is why I choose them.