Can You Use Milk of Magnesia for Oily Skin?

Although milk of magnesia has been used as a primer to aid in the absorption of the thick oils in theatrical makeup, there is no proof that it lessens perspiration or helps with acne.

One popular over-the-counter medicine is milk of magnesia. Because it adds moisture to the stools to facilitate their passage through the body, it is used to treat constipation.

When applied topically as a facial lotion, some people assert that it can also absorb oil and combat acne. Nevertheless, this assertion is not well supported by scientific data.

Is milk of magnesia good for oily skin?

Magnesium hydroxide is a component found in milk of magnesia. Lipids, like the oil on your face, can be absorbed by magnesium hydroxide. It also contains another substance that can absorb oils: sodium hypochlorite, which is the active component of bleach. This implies that applying milk of magnesia to your face can help it absorb some oil and lessen shine.

Some claim that milk of magnesia is beneficial for oily skin. They say it can dissolve oil from your skin's surface and works well as a primer for makeup. However, these assertions are not supported by scientific data.

Although milk of magnesia doesn't decrease oil production, it does appear to eliminate oil from the skin's surface. It's not likely to treat acne either.

Scientific evidence

There isn't much data connecting milk of magnesia to less acne. In 1975, a solitary dermatologist wrote a letter describing how he had successfully prescribed topical milk of magnesia along with 250 mg of the antibiotic tetracycline.

Since oral antibiotics are frequently used alone to treat acne, it's conceivable that tetracycline played the primary role in the initial positive outcomes. However, no other research has been able to repeat these results.

Can you use milk of magnesia as a makeup primer for oily skin?

If you have oily skin, several beauty bloggers suggest using milk of magnesia as a primer.

Milk of magnesia is said to have been used for decades as a primer in theatres due to its ability to keep heavy stage makeup from sweating under hot lights. Some claim that because of the same idea, it's a fantastic option for those with oily skin.

You probably shouldn't use milk of magnesia as a primer for everyone. It is only advised for those with oily skin. If your skin is normal to dry, it is not advised. Furthermore, milk of magnesia may irritate your skin or just not work well for you, even if you have oily skin.

How do I use milk of magnesia on my face?

Before using milk of magnesia as skin care, test a small patch of skin on your inner elbow or wrist to be sure it doesn't irritate the area and result in a rash. You can try applying milk of magnesia to your face if your skin stays calm for approximately a full day.

It's crucial to keep in mind that there is no proof milk of magnesia is a beneficial supplement to a skin care regimen for acne. To ensure it won't result in a rash, you can try it once before using it as a primer before foundation or as part of your morning skincare routine to battle oil.

What are the downsides of using milk of magnesia in skincare?

Some people may get a rash from taking milk of magnesia. Magnesium milk is also extremely alkaline. This indicates that some people's skin may find it too abrasive. Dryness, redness, acne, and other skin issues can result from using excessively harsh skin care products.

Lastly, there is no proof that milk of magnesia is good for skin health. While it can absorb oil while it's on the skin, research doesn't back up the idea that it can treat acne, and doesn't decrease sebum production.

Therefore, it could be preferable to check into products that have been shown to help treat oily skin, even if it doesn't damage the skin by generating a rash or dryness. As an example, you may investigate:
  • benzoyl peroxide
  • salicylic acid
  • aloe vera
  • clay
  • witch hazel
  • retinol
  • tea tree oil
  • glycolic acid
  • niacinamide
You can also schedule a consultation with a dermatologist to discuss your alternatives for prescription drugs.


Milk of magnesia is said to be able to absorb oil from the skin's surface, which helps reduce perspiration and treat acne. Moreover, a few beauty bloggers advise applying milk of magnesia as a primer beneath the foundation.

These assertions lack scientific support. Milk of magnesia can absorb oil, but it has no effect on oil production, and there is no proof that it can treat acne.


Does milk of magnesia work for oily skin?

Magnesium hydroxide, or "milk of magnesia," absorbs extra oil from the skin. This could make pores appear smaller if you have oily skin.

Can I put milk of magnesia on the pimple?

Experts do not recommend using it to help with acne.

Is it good to apply milk on oily skin?

Raw milk is good for oily skin

How long to leave milk of magnesia on your face?

20 minutes

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