Skin

Petroleum jelly genuinely works as a sealing layer that reduces moisture loss, but for structurally dry skin or barrier repair…

Skin cycling as a method has never been clinically tested, so it cannot be said to work better than a regular routine. If you…

PRP has a modest, probably real effect on skin thickness and elasticity, but does little for wrinkles or pigmentation spots.…

For eyelid inflammation and dark circles there are small positive studies, but the evidence is too thin for firm conclusions.…

Rosemary oil performs as well as minoxidil 2% in one small study, but dermatologists do not yet recommend it; feel free to use…

There is no scientific evidence that beef tallow is effective for the skin in cases of acne, eczema or psoriasis. The online…

Both gua sha and electrical devices show measurable effects on skin ageing in small studies, but they work in different ways:…

GHK-Cu shows positive effects on collagen and skin in the lab, but clinical evidence in humans is absent. Do not expect too…

Snail mucin shows promising effects in laboratory and cell studies, but clinical evidence in humans is still largely absent.…

There are preliminary indications that exosomes may do something for the skin, but the clinical evidence is very thin: one…

There are cautious indications that polynucleotide injections may improve the skin around the eyes, but well-controlled…

One small study shows a striking reduction in pigmentation spots and skin redness after 15 days of 100 mg red orange extract,…

Microneedling demonstrably works for wrinkles and acne scars, with radiofrequency microneedling being the variant with the…

Chemical peels demonstrably help against sun damage, wrinkles, and pigmentation spots, but for brown spots laser treatments…

Oral glutathione measurably raises levels in your blood, but only for as long as you take it and only in readily accessible…

Taking hydrolysed collagen reduces wrinkles and improves hydration and elasticity, although the effects are modest and no…

Yes, your body odour changes from around your forties onwards because a substance forms on your skin that is barely detectable…

A disrupted gut microbiome is associated with acne and eczema, although that association has not yet been proven to be cause…

Fasting and calorie restriction appear to protect the skin in animal research, but direct evidence in humans that your skin…

Smoking does not only age the outside of your skin; it damages blood vessels, protective barriers and inflammatory regulation…

Astaxanthin likely offers some protection against UV damage, but the studies are too small and too commercially funded to…

Cold showers do not make your skin tighter; frequent showering can actually damage the skin barrier and cause dry skin,…

Doses that are too high or built up too quickly can damage the skin barrier and cause irritation; start low and increase…

Resveratrol in skin cream demonstrably reaches the skin and has antioxidant activity, but whether it produces any visible…

Both types of sunscreen protect your skin, but there is no direct comparative study that identifies mineral sunscreen as the…

Based on the available studies, nothing can be said about whether physical inactivity accelerates skin ageing. If you want to…

Sunlight affects multiple hormones simultaneously: it stimulates vitamin D and beta-endorphin, suppresses melatonin, and can…

There is clear evidence suggesting that a balanced gut flora contributes to healthier skin, but the evidence is still…

Chronic exposure to air pollution measurably accelerates skin ageing, and the evidence for this is reasonably consistent. If…

Red light therapy shows positive effects on wrinkles and skin quality in small studies, but without large controlled trials it…

Dark skin ages visibly more slowly than light skin, primarily because greater amounts of higher-quality melanin limit sun…

Zinc demonstrably reduces inflamed spots, but works less well than the usual treatments such as benzoyl peroxide. It is most…

Based on the available study, nothing can be said about this. The source contains no information about pillowcases or…

Omega-3 shows preliminary indications of an effect on skin inflammation in conditions such as eczema and psoriasis, but the…

There is no good research directly comparing a low-fat diet with a high-fat diet on skin ageing in humans. Focus on the type…

Drinking coffee does not dry out your skin: the available research points rather in the opposite direction, but the studies…

The sources provided contain no information about AHAs or BHAs, so no conclusions can be drawn from them. A well-supported…

Resveratrol protects cells impressively in the lab, but whether that also works in practice for you is uncertain: the body…

Whether your screen meaningfully ages your skin has not been proven; the light doses used in research were far higher than…

Chronic stress damages your DNA through multiple pathways simultaneously, and this is biologically well supported. How large…

An LED mask or a mask containing active ingredients such as salicylic acid works measurably better than doing nothing, but the…

Urban pollution probably accelerates skin ageing, primarily through increased pigmentation spots and a weakened skin barrier.…

A higher price says nothing about how well a face cream works; it is better to choose based on product type and the…

Your skin gets used to the side effects of retinol, such as flaking and redness, but not to the effect itself; the active…

Peptides in skincare probably help to some degree, particularly for sun-damaged skin, but the effect is modest and cannot be…

Menopause noticeably accelerates the loss of collagen, moisture retention and skin thickness, but spots and skin cancer are…

Your skin thins at two levels with age: that is well established. Retinoid creams have the most support if you want to slow…

A night cream improves hydration and, with consistent use, can also have a visible effect on wrinkles, pores, and skin tone.…

There is no direct evidence that the skin ages faster than your internal organs, but the skin does have a specific and…

SPF 50 offers slightly more protection than SPF 30 in theory, but in practice the way you apply sunscreen makes more…

The available studies do not answer this question, so no conclusion can be drawn from them. If you want to know, look for…

Bakuchiol appears to target skin aging through biological pathways similar to those of retinol and is clearly gentler on the…

Sleep deprivation demonstrably worsens your hydration, elasticity, and wrinkles, after as little as one poor night. Aim for…

Too much sun demonstrably damages your DNA and increases the risk of skin cancer. Protect your skin, especially if you have a…

Creatine does not cause hair loss: direct measurement of hair follicle health and the DHT hormone showed no difference…

Cell and animal research shows that rapamycin can activate pigment cells, but there are no studies in healthy humans and the…

Topical rapamycin showed promising signs for skin ageing in a small study, but the evidence is still too thin to justify…

For joint pain, particularly in knee osteoarthritis and active athletes, oral collagen (approximately 10 grams per day) has a…

Years of sun exposure is the clearest cause of age spots. Consistent sun protection is the smartest prevention; for existing…

Partial repair is possible, but full reversal is not. So start now with UV protection, sleep well and eat enough protein.

Niacinamide cream (5%) demonstrably improves ageing skin and skin tone, and is safe to use. For people with a history of skin…

Drinking extra water barely helps against dry skin and demonstrably does not help against wrinkles. Collagen peptides at 1000…

Tanning beds demonstrably increase your risk of melanoma and other skin cancers, as does too much sun. A little daily sun…

The biological mechanism is rock solid: chronically high blood sugar levels accelerate the breakdown of collagen and elastin…

Hyaluronic acid on your skin genuinely helps against dryness. Injections work most powerfully against wrinkles. A pill or…

Vitamin C serums likely reduce pigmentation spots and early signs of ageing, but the studies are too small or lack control…

Smoking demonstrably accelerates skin ageing through oxidative stress and inflammation. There are indications for alcohol, but…

Retinol has the more concrete evidence base for wrinkle reduction. A direct comparison with vitamin C is lacking. Start at a…

Using sunscreen daily is the best-supported way to slow skin ageing, supplemented by not smoking, moderate alcohol consumption…

Taking 2.5 to 10 grams of hydrolysed collagen daily for at least 8 weeks produces demonstrable but modest improvements in skin…

Retinol demonstrably works against wrinkles and improves skin texture, although tretinoin is more potent for those who can or…

Using broad-spectrum sunscreen daily demonstrably slows sun-induced skin ageing; anyone with concerns about chemical filters…