Drinking more water is one of the most common pieces of skincare advice. It is often recommended as a simple way to achieve glowing skin, reduce dryness, prevent wrinkles, and even improve acne.
But while water is essential for overall health, does drinking extra water really make a noticeable difference to your skin?
The answer is a little more complicated than most skincare advice suggests.
1. Does Drinking Water Improve Skin Hydration?
Water plays an essential role in maintaining the body’s fluid balance, and adequate hydration supports normal skin function.
Some research suggests that increasing water intake may slightly improve skin hydration, particularly in people who previously consumed relatively little water.
A 2018 systematic review published in Skin Research and Technology reviewed six studies investigating the relationship between fluid intake and skin health. Researchers found that additional water intake was associated with slight improvements in skin hydration, although the overall quality and quantity of the available evidence were limited.
This suggests that drinking enough water may support skin hydration, especially when someone’s usual intake is low. However, the findings do not establish that drinking more water than necessary will produce additional benefits.
2. Does Water Give You Glowing Skin?
The idea that drinking more water automatically gives you glowing skin is popular, but scientific evidence for this claim is limited.
Adequate hydration supports normal body functions, and correcting dehydration may improve some signs associated with it. However, there is no strong evidence that drinking extra water directly creates a clearer or more radiant complexion.
Skin appearance is influenced by several factors, including genetics, sun exposure, skincare habits, sleep, and environmental conditions.
Water is one part of overall health, not a shortcut to better-looking skin.
3. Can Drinking Water Prevent Wrinkles?
Another common claim is that drinking plenty of water keeps skin youthful and prevents premature ageing.
Although hydration can influence how skin feels and looks, there is no convincing evidence that drinking extra water prevents wrinkles or reverses existing signs of ageing.
Wrinkles develop through several processes, including natural ageing, changes in skin structure, and cumulative exposure to ultraviolet radiation.
Maintaining adequate hydration is beneficial, but it should not be confused with proven approaches to protecting skin from premature ageing.
4. Does Drinking Water Help Clear Acne?
Water is sometimes presented as a natural solution for acne, but this claim is not well supported by research.
Acne is influenced by several factors, including excess sebum production, clogged hair follicles, inflammation, and hormonal changes.
There is currently insufficient evidence to conclude that drinking additional water directly prevents or treats acne.
Staying hydrated is important for general health, but it should not be treated as an acne treatment or a replacement for appropriate skincare.
5. How Much Water Do You Actually Need?
There is no single amount of water that works for everyone, Fluid needs vary depending on factors such as age, activity level, climate, diet, and individual health circumstances.
It is also worth remembering that water comes from more than just drinking glasses of plain water. Foods and other beverages contribute to daily fluid intake as well.
Rather than forcing yourself to drink a specific amount for skincare benefits, focus on drinking enough to meet your body’s needs. Excessive water consumption does not provide extra skin benefits and can be harmful.
The Bottom Line
Drinking enough water supports overall health and may offer modest benefits for skin hydration, particularly for people who do not usually consume enough fluids.
However, claims that extra water can clear acne, prevent wrinkles, or transform your complexion go beyond what current research can establish.
The most reasonable conclusion is that hydration matters, but more water does not automatically mean better skin.
Understanding the factors that influence skin health is more useful than relying on a single popular skincare tip.
References
Akdeniz et al. (2018). Does Dietary Fluid Intake Affect Skin Hydration in Healthy Humans? A Systematic Literature Review.
Palma et al. (2015). Dietary Water Affects Human Skin Hydration and Biomechanics.
Wolf et al. (2010). Nutrition and Water: Drinking Eight Glasses of Water a Day Ensures Proper Skin Hydration—Myth or Reality?
We encourage you to explore the sources, read the original research, and form your own understanding. Evidence has limitations, and conclusions may evolve as research develops.