Goat milk soap has several beneficial characteristics that can help keep your skin looking and feeling great.

1. Gentle cleanser
Most commercially made soaps contain harsh surfactants that can strip your skin of natural moisture and oils, leaving it feeling dry and tight.

To maintain your skin’s natural moisture, it’s best to use products that don’t remove the natural fats in the skin barrier.

Goat milk soap boasts high amounts of fats, particularly caprylic acid, allowing for gentle removal of dirt and debris without removing the skin’s natural fatty acids.

2. Rich in nutrients
Goat milk is rich in fatty acids and cholesterol, which make up a large portion of the skin membrane. A lack of these components in your skin can lead to dryness and irritation.

Furthermore, the milk is a good source of vitamin A, a fat-soluble vitamin shown to have anti-aging properties.

Finally, it’s a good source of selenium, a mineral shown to support a healthy skin membrane. It may even improve psoriasis symptoms like dry skin.

However, nutrient levels in goat milk soap largely depend on the amount of milk added during production, which is usually proprietary information. Moreover, it’s difficult to know how effective these nutrients are due to a lack of research.

3. May improve dry skin
Dry skin — known as xerosis — is a condition caused by low water levels in the skin.

Normally, your skin’s lipid barrier slows moisture loss. That’s why low lipid levels can lead to excess moisture loss and dry, irritated, and tight skin.

People with certain dry skin conditions, namely psoriasis and eczema, often have lower levels of lipids, such as cholesterol, ceramides, and fatty acids, in the skin.

To improve dry skin, the lipid barrier must be restored and rehydrated. Goat milk soap’s high cholesterol and fatty acid levels may replace missing fats while providing moisture to allow for better water retention.

Additionally, the use of harsh soaps can strip the skin of its natural moisture, which can worsen dry skin. Using a gentle, fat-rich soap like goat milk soap can support and replenish the skin’s moisture.

4. Natural exfoliant
Goat milk soap contains compounds that may exfoliate your skin.

Alpha-hydroxy acids (AHAs) are used to treat a variety of skin conditions, such as scars, age spots, and hyperpigmentation, due to their natural ability to exfoliate.

Lactic acid, a naturally occurring AHA found in goat milk soap, has been shown to gently remove the top layer of dead skin cells, allowing for a more youthful complexion.

What’s more, lactic acid is known as one of the gentlest AHAs, making it a suitable option for those with sensitive skin.

However, the amount of AHAs in goat milk soap remains unknown, making it difficult to know how effective it is at exfoliating the skin. Therefore, more research is needed.

5. Supports a healthy skin microbiome
Goat milk soap may support a healthy skin microbiome — the collection of healthy bacteria on your skin’s surface.

Due to its gentle dirt-removing properties, it doesn’t strip your skin’s natural lipids or healthy bacteria. Maintaining your skin’s microbiome improves its barrier against pathogens, potentially preventing various skin disorders like acne and eczema.

Moreover, goat milk contains probiotics like Lactobacillus, which is responsible for producing lactic acid. It has been shown to have anti-inflammatory effects in the body, including the skin.

However, no research is available on goat milk soap and the skin microbiome, so studies are needed. Nonetheless, using this soap will likely be a better alternative than soap made with strong and harsh surfactants that strip the skin’s natural barrier.