What deficiency causes large pores?

Author: Eugene Emmerich  |  Last update: Saturday, September 20, 2025

Vitamin A deficiency is a common cause of open pores on the skin. Vitamin A plays an important role in promoting cell turnover, which helps keep your pores clear and free from debris. When you don't get enough vitamin A, it can lead to clogged and enlarged pores that are difficult to treat.

What vitamin deficiency causes large pores?

Hormonal changes – Polycystic ovarian syndrome and other hormonal changes cause an increased oiliness on face and make open pores look prominent. Nutritional deficiency- Vitamin A deficiency can also cause prominent open pores.

What is the root cause of large pores?

Results: There are 3 major clinical causes of enlarged facial pores, namely high sebum excretion, decreased elasticity around pores, and increased hair follicle volume. In addition, chronic recurrent acne, sex hormones, and skin care regimen can affect pore size.

What vitamins are good for enlarged pores?

Want your pores to look smaller? Add a Niacinamide serum (also known as Vitamin B3) into your routine. Research shows as little as 2% topical Niacinamide can result in a 'significant reduction in sebum excretion rate and pore size'. Anecdotally, people often say using a Niacinamide serum 'shrinks' their pores.

What do large pores indicate?

The smaller the pores, the clearer your skin appears. And in many cases, size does matter: enlarged pores, for starters, can indicate clogging and/or oil and bacteria buildup. So what is the “need to know” on pores—those pesky complexion-dotting nuisances we wish we could airbrush away, magazine-style?

5 Skincare Tips to Clean, Unclog & Minimize Large Pores

What foods cause large pores?

Avoid consuming sugary and processed foods in excess as they can cause inflammation and have an impact on skin health. Avoid smoking because it damages collagen and elastin, which can cause sagging skin and larger pores.

Can enlarged pores be reversed?

Can you reduce pore size, or get rid of them altogether? Because enlarged pores are largely determined by genetics, we can never physically shrink them, but we can effectively minimize their appearance by keeping them clean and free from build-up of dirt and dead skin cells.

What vitamin deficiency causes excess sebum?

Vitamin D. Vitamin D is a fat-soluble vitamin that works alongside our sebaceous glands to regulate sebum production. Vitamin D helps our bodies protect against insulin resistance which can lead to oily skin as insulin stimulates the overproduction of sebum.

Can you tighten enlarged pores?

It's not possible to close up pores completely but there are ways to reduce their size or make them less visible. This includes: washing the face twice a day to wash away oil and dirt from the pores. using an oil-free moisturizer to prevent the pores from becoming clogged with oil.

Can vitamin E shrink pores?

vitamin E may be effective for clogged pores, but there are many other factors that may affect whether this ingredient would work on your skin or if there are better ingredients that may work for you. Take this skin quiz to find the best ingredients for your skin and build your skincare routine.

Why did my pores randomly get bigger?

The size of your pores is largely determined by three factors: your genetics, your age, and your hormones. Some people simply inherit large pores just like they inherit hair color or height. Plus, as you age, your skin loses its elasticity, causing your pores to stretch, sag, and become more visible.

What to eat to reduce pores on face overnight?

Citrus fruits: Oranges, lemons, and grapefruits are like a vitamin C power-up for your skin. Vitamin C is a superhero here, boosting collagen production and making your pores less noticeable. Plus, these fruits have natural acids that gently exfoliate, keeping your pores clear and happy.

What is the best treatment for enlarged pores?

RF Microneedling

The procedure is safe and effective for treating enlarged pores on both the face and body. A smooth, radiant complexion can be seen in as little as one to three weeks with continued improvement lasting up to several months.

What are the facial signs of B12 deficiency?

The deficiency of vitamin B12 can cause specific skin manifestations, such as hyperpigmentation, vitiligo, angular stomatitis, and hair and nail changes [1].

Can vitamin D deficiency cause clogged pores?

However, because of vitamin D's regulatory effect on the immune system as well as its antioxidant and anti-comedogenic properties, deficiencies could contribute to the pathogenesis of acne.

Which vitamin is good for face pores?

Vitamin C : On topical application, Vitamin C helps in reducing large pores & nourishes the skin. It also helps in firming the skin & reducing the appearance of fine lines.

Does retinol reduce pore size?

Studies show that applying retinol cream reduces pore size and keeps them cleaner, emptying the impurities that otherwise give an oversized appearance. Retinol is most effective when used as night cream. While there are plenty of over-the-counter products available, a dermatologist-prescribed retinol is most effective.

How to fill holes in face naturally?

You cannot remove the holes from your face completely naturally. Natural ingredients may aid in reducing their appearance. You can look for apple cider vinegar, turmeric powder, coconut oil, and manuka honey. The four are known for their impressive benefits.

What vitamin shrinks sebaceous glands?

Vitamin A is well knowns to reduce sebum production when taken orally as a retinoid medication. However, it is difficult to get enough Vitamin A to the sebaceous glands in the skin through diet alone.

What does B12 acne look like?

High-dose vitamins B6 and B12 have also been linked to rosacea fulminans, a condition that looks like acne. Rosacea is marked by large red bumps and pustules that typically appear on the nose, chin, and/or cheeks.

What are the symptoms of vitamin K deficiency in the skin?

The main symptom of vitamin K deficiency is bleeding (hemorrhage)—into the skin (causing bruises), from the nose, from a wound, in the stomach, or in the intestine. Sometimes bleeding in the stomach causes vomiting with blood.

What shrinks the size of pores?

Clearing pores of dead skin cells and excess oil helps them appear smaller. An occasional at-home chemical peel can do the trick. “You can use most over-the-counter peels every two weeks and sometimes weekly, depending on the type of peel and depth of skin cells it removes,” says Dr. Wu.

Does diet affect pore size?

Studies have shown that your diet can affect hormonal levels and sebum levels. Both which in turn can affect the app pore sizes. A low glycaemic diet has proven to help improve acne. Mature skin as a result of elasticity loss can elongate pores, making them appear larger.

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