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Is Glycerin Soap Good for Your Skin?

Moon and Skin
March 06, 2025

Table of Contents

  1. Introduction
  2. What is Glycerin?
  3. Benefits of Glycerin Soap
  4. Is Glycerin Soap Hypoallergenic?
  5. Potential Drawbacks of Glycerin Soap
  6. How to Use Glycerin Soap
  7. Making Your Own Glycerin Soap
  8. Conclusion

Introduction

Have you ever looked at the ingredients of your favorite skincare products and wondered what they really mean for your skin? One ingredient that often pops up is glycerin, particularly in soap. While many of us may recognize the term, the question remains: Is glycerin soap good for your skin?

In recent years, the demand for clean, effective skincare has surged, with consumers leaning towards products that are not only effective but also safe and gentle. Glycerin soap, made from glycerin—a natural byproduct of the soap-making process—has gained popularity for its moisturizing properties. At Moon and Skin, we believe in the power of clean, thoughtful formulations that nurture the skin through every phase of life. In this blog post, we will explore what glycerin soap is, its benefits, potential drawbacks, and how it can fit into your skincare routine.

By the end, you will have a comprehensive understanding of glycerin soap and whether it is the right choice for your skin. Together, we’ll dive into the science and practical applications, ensuring that you can make informed decisions about your skincare.

What is Glycerin?

Glycerin, also known as glycerol, is a colorless, odorless liquid that is derived from plant-based oils or can be produced synthetically. It is a humectant, which means it attracts moisture from the environment into the skin. This property makes glycerin an excellent ingredient for maintaining hydration and improving skin texture.

Historically, glycerin was discovered in 1779 by a Swedish chemist who heated olive oil, leading to its recognition as a beneficial ingredient in skincare. Since the mid-nineteenth century, glycerin has been a staple in soap-making due to its moisturizing properties.

Benefits of Glycerin Soap

1. Deep Hydration

Glycerin soap is renowned for its ability to hydrate the skin deeply. By attracting moisture, glycerin helps to lock in hydration, making it particularly beneficial for individuals with dry or sensitive skin. Unlike traditional soaps, which can strip the skin of its natural oils, glycerin soap retains moisture, preventing the skin from becoming overly dry.

2. Gentle and Non-Irritating

One of the standout features of glycerin soap is its gentle formulation. It is free from harsh chemicals, alcohol, and synthetic fragrances that can irritate sensitive skin. As a result, glycerin soap is often recommended for individuals with conditions such as eczema, psoriasis, or rosacea.

3. Suitable for All Skin Types

Whether you have oily, dry, or combination skin, glycerin soap can be beneficial. Its lightweight formula ensures that it does not clog pores, making it a great option for those with acne-prone skin. Moreover, its ability to balance moisture levels means that it can help regulate oil production in oily skin types.

4. Natural and Eco-Friendly

Glycerin soap is often made from natural, plant-based ingredients, making it a vegan-friendly option. This aligns with our values at Moon and Skin, where we prioritize clean, thoughtful formulations that respect the environment. By choosing glycerin soap, you are not only caring for your skin but also making a sustainable choice.

5. Enhances Skin Barrier Function

Research suggests that glycerin can improve the skin's barrier function. A robust skin barrier helps to protect against environmental stressors and retains moisture, leading to healthier, more resilient skin.

6. Anti-Aging Properties

Glycerin's hydrating capabilities can also contribute to a more youthful appearance. By keeping the skin hydrated and plump, glycerin soap may help reduce the appearance of fine lines and wrinkles.

7. Versatility

Glycerin soap can be used for various purposes, including handwashing, body cleansing, and even facial cleansing. Its versatility makes it a valuable addition to any skincare routine.

Summary of Key Benefits

  • Deeply hydrates and locks in moisture.
  • Gentle and non-irritating for sensitive skin.
  • Suitable for all skin types.
  • Made from natural ingredients.
  • Enhances the skin barrier function.
  • Provides anti-aging benefits.
  • Versatile for different cleansing purposes.

Is Glycerin Soap Hypoallergenic?

Glycerin is often touted as hypoallergenic, meaning it is less likely to cause allergic reactions. However, it is essential to note that while glycerin itself is generally safe, the term "hypoallergenic" is not regulated by the FDA. This means that other ingredients in glycerin soap, such as fragrances or colorants, can still trigger allergic reactions in sensitive individuals.

To ensure that a product is safe for your skin, we recommend performing a patch test before using any new soap. Apply a small amount to a discreet area of the skin and observe for any reactions over 24 to 48 hours.

Potential Drawbacks of Glycerin Soap

While glycerin soap boasts numerous benefits, it's essential to consider potential drawbacks:

1. Price Point

Glycerin soap can be more expensive than traditional soaps. This is often due to the quality of ingredients used and the production process. While investing in your skincare is important, it's wise to choose products that align with your budget.

2. Lathering Issues

Some users may find that glycerin soap does not lather as much as conventional soaps. If you prefer a rich, bubbly lather, it may take some time to adjust to the gentler cleansing properties of glycerin soap.

3. Dissolving in Water

Glycerin soap can dissolve more quickly than traditional soaps if left in water. To prolong its lifespan, make sure to store it in a dry area after use, keeping it away from direct water exposure.

Summary of Key Drawbacks

  • May be more expensive than traditional soap.
  • Less lathering compared to regular soaps.
  • Prone to dissolving if left in water.

How to Use Glycerin Soap

Incorporating glycerin soap into your skincare routine is simple. Here’s how to make the most of it:

Step-by-Step Usage

  1. Wet Your Skin: Start by wetting your skin with warm water. This helps to open up your pores, allowing for better cleansing.
  2. Lather the Soap: Rub the glycerin soap between your hands or directly on your skin to create a gentle lather. If you prefer, you can also use a washcloth or sponge.
  3. Cleanse: Gently massage the soap onto your skin, taking care to avoid sensitive areas, such as your eyes.
  4. Rinse: Thoroughly rinse your skin with warm water, ensuring all soap residue is removed.
  5. Moisturize: After cleansing, we recommend applying a moisturizer like our Hyaluronic Brightening Moisturizer to lock in hydration and maintain skin softness.

Frequency of Use

Glycerin soap is gentle enough for daily use. However, if you experience any irritation, consider using it every other day or as needed.

Summary of Usage Guidelines

  • Wet skin before application.
  • Lather the soap and gently massage onto skin.
  • Rinse thoroughly and follow with a moisturizer.
  • Daily use is generally safe.

Making Your Own Glycerin Soap

For those interested in a DIY approach, making your own glycerin soap can be a rewarding experience. Here’s a basic outline of the process:

Ingredients

  • Base: Glycerin (liquid form)
  • Lye: Sodium hydroxide (optional, for cold process soap)
  • Water: Distilled water
  • Oils: Coconut oil, olive oil, or other plant-based oils
  • Additives: Essential oils, colorants (optional)

Basic Steps

  1. Mix the Lye: If using lye, carefully mix it with distilled water (never add water to lye) in a well-ventilated area, wearing gloves and goggles.
  2. Combine Oils: Heat your chosen oils in a slow cooker until melted.
  3. Combine Mixtures: Slowly mix the lye solution into the melted oils, stirring continuously until it reaches trace (thickened consistency).
  4. Add Glycerin: Incorporate glycerin and any optional additives into the mixture.
  5. Mold and Cool: Pour the mixture into molds and allow it to cool and harden for several hours.
  6. Cut and Cure: Once hardened, cut into bars and allow them to cure for a few weeks to complete the saponification process.

By making your own glycerin soap, you can tailor it to your preferences and enjoy the benefits of fresh, natural ingredients.

Summary of DIY Steps

  • Mix lye with water (if using).
  • Combine with melted oils.
  • Add glycerin and optional ingredients.
  • Mold and cool before cutting.
  • Allow to cure for a few weeks.

Conclusion

In conclusion, glycerin soap emerges as a fantastic option for anyone seeking a gentle, hydrating, and effective cleansing solution. With its myriad benefits—including deep hydration, suitability for all skin types, and eco-friendly formulation—it’s no wonder that glycerin soap has earned its place in many skincare routines.

At Moon and Skin, we celebrate the power of clean, thoughtful skincare that adapts to every phase of life. Our Stem Cell C Serum pairs beautifully with glycerin soap, providing an extra boost of hydration and antioxidants for radiant skin.

If you're looking to build a complete skincare routine, consider our Bundle & Save collection, which offers our best-selling products at a great value.

We invite you to explore the world of glycerin soap and experience the difference it can make for your skin. Remember, your skin deserves the best, and together, we can support it through every phase of life.

FAQ

1. Can glycerin soap be used on the face?

Yes, glycerin soap is gentle enough to be used on the face, especially for individuals with dry or sensitive skin.

2. Is glycerin soap suitable for oily skin?

Absolutely! Glycerin soap helps to balance moisture levels without clogging pores, making it a great choice for oily skin.

3. How often should I use glycerin soap?

Glycerin soap is safe for daily use. However, if you experience irritation, consider using it every other day.

4. Where can I buy glycerin soap?

Glycerin soap can be found in health stores, online retailers, and as part of natural skincare brands like Moon and Skin.

5. Can I make glycerin soap at home?

Yes, making glycerin soap at home is possible and can be a fun DIY project. Just follow the appropriate steps and safety measures.

By understanding the science behind glycerin soap and its benefits, you can confidently incorporate it into your skincare routine for healthier, more radiant skin.

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