Many foods that benefit the skin contain:
- omega-3 fatty acids
- omega-6 fatty acids
- vitamin E
Research suggests that these and other nutrients and compounds in certain foods can benefit the skin. Also, hydration is as important for the health of skin as it is for the rest of the body.
While external products can help to treat conditions such as acne, the diet may play a direct role in nourishing the skin and keeping it healthful.
1. Fatty fish
Some people with skin issues stay away from fatty foods. However, it is important to note that not all fats are the same.
Cold-water fatty fish, including herring, sardines, and salmon, may benefit the skin, as they are abundant sources of omega-3 fatty acids.
Authors of a study from 2016 found “considerable evidence” that omega-3 fatty acids help reduce the risk of non-melanoma skin cancers, especially in people who have the highest risks.
The researchers found that the acids reduce damage from ultraviolet (UV) radiation and markers of inflammation and immunosuppression in the skin. A diet high in omega-3 acids may, therefore, help reduce inflammatory symptoms and make the skin less reactive to UV rays from the sun.
Fatty fish also provide vitamin E, a crucial antioxidant. Vitamin E protects the skin from inflammation and harmful free radicals.
Soybeans contain compounds called isoflavones, which may play an important role in protecting the skin, especially for females.
Authors of a review from 2017 cite findings that suggest that middle-aged female participants who consumed more of the specific isoflavones found in soy had fewer fine wrinkles and more skin elasticity.
The authors concluded that these isoflavones may have a more significant effect during menopause, when reduced estrogen levels cause the skin’s elasticity to diminish.
Avocados are rich in healthful fats and vitamin E, which support the health of the skin.
The fats in avocados are essential fats, which humans need to consume because the body cannot produce them.
Authors of a review from 2013 noted that avocados also contain compounds like lutein and zeaxanthin, which help to protect the skin from both UV and visible radiation damage.
8. Olive oil
Among cooking oils, olive oil may be the most healthful choice for the skin.
Results of a study from 2012 support the more widely held conclusion that a diet rich in olive oil reduces the effects of photoaging on facial skin.
The researchers attribute this effect to monounsaturated fatty acids in the oil, as well as other compounds, such as squalene, which the authors suggest may protect against dryness and damage from free radicals.
9. Green tea
Green tea makes for a healthful, energizing drink, and it contains certain compounds that may benefit the skin.
According to the authors of a study from 2011, green tea is especially rich in antioxidants called catechins, which boost blood flow to the skin. Increased blood flow ensures that the skin cells are regularly receiving fresh oxygen and nutrients, which help to maintain their health.
The researchers found that participants who drank green tea regularly for 12 weeks had improved skin health, including:
- better elasticity
- less roughness
- reduced scaling
- improved skin density
- a more healthful amount of water in the skin
The antioxidants in green tea can also protect the skin from harmful UV radiation.
Water supports the functioning of every system in the body, and it benefits the skin in many ways.
For example, staying hydrated protects skin cells from damage, including that caused by environmental factors. Also, hydration makes it easier for skin cells to absorb nutrients and release toxins.
Drinking more water may be the easiest way to support the health of the skin.
12. Carotene and beta-carotene
Antioxidants called carotenoids have many health benefits, including protecting the skin from damage caused by free radicals and overexposure to the sun.
Vibrant green, yellow, orange, or red fruits and vegetables are often rich sources of these protective antioxidants.
Eating more of the following can help to increase the number of carotenoids in the diet:
- sweet potatoes
- bell peppers
Things to avoid
The following dietary and lifestyle factors can damage the skin:
- Too much caffeine: Caffeine is a stimulant and a diuretic. Consuming a large amount of caffeine on a regular basis may remove an unhealthful amount of water from the body and dry out the skin.
- Harsh chemicals: To soothe flare-ups or treat sunburn, a person may apply topical products that contain harsh chemicals, additives, or perfumes. These can aggravate many skin conditions, and they may be especially dangerous for people with sensitive skin.
- Processed or refined foods: Foods that contain high amounts of refined sugars and carbohydrates may speed up the skin’s aging process. People looking to protect their skin may wish to avoid these foods.
While certain foods are more likely to benefit the skin than others, it is essential to find a balance.
Eating a diet rich in a range of antioxidants and nutrients gives the body a variety of ways to support the health of the skin.
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