Every guide we have published, grouped by topic, with the newest at the top: wrinkles, acne and pores, skincare basics and at-home beauty devices, explained with the studies.
29 guides in 5 topics
The three we published most recently.
Hollow under eyes, also called tear troughs or sunken eyes, are grooves between the lower eyelid and the cheek. They mostly come from fat and bone...
To get rid of smile lines, the lines from your nose to the corners of your mouth, the standard fix is hyaluronic acid filler, which restores...
To minimize pores, match the fix to the reason they look big. Oily pores: cleanse twice a day, use non-comedogenic products and try niacinamide. Clogged pores:...
Hollow under eyes, also called tear troughs or sunken eyes, are grooves between the lower eyelid and the cheek. They...
To get rid of smile lines, the lines from your nose to the corners of your mouth, the standard fix...
Bunny lines are the diagonal creases on the sides of your nose when you scrunch, smile or squint. They come...
Fine lines are shallow creases that show up where skin moves most: the eye corners, under the eyes and around...
Sun spots on face and body skin, also called age spots or solar lentigines, are small, flat, tan to dark...
Frown lines are the vertical lines between your eyebrows, also called 11 lines or glabellar lines. Repeated frowning and squinting...
Marionette lines are the creases that run from the corners of your mouth down toward your chin. They come from...
To get rid of forehead wrinkles, match the fix to the line. Lines that only show when you raise your...
Crow’s feet (often typed as crows feet) are fine lines fanning out from the outer corners of your eyes. They...
Retinal vs retinol comes down to one conversion step. Both are forms of vitamin A you can buy without a...
Red stretch marks are new stretch marks, called striae rubra. They look red because small tears in the deeper skin...
Ingredients, routines and the skin barrier, explained with the studies.
What does toner do? It depends on the formula. Toner is a watery liquid used after cleansing and before serum:...
Dehydrated skin is skin that is short on water in its outer layer, not short on oil. It looks dull,...
Skin flooding is a routine that layers hydrating products on damp skin: a gentle cleanse, a mist, a hyaluronic acid...
Dermaplaning at home means gliding a clean, single-use blade over clean, fully dry skin at about 45 degrees, in short,...
Glass skin is a K-beauty term for skin so smooth, hydrated and even that it reflects light like a pane...
Skin texture is how smooth or rough your skin looks and feels. Textured skin usually comes from clogged pores, dryness,...
AHAs (alpha hydroxy acids) such as glycolic and lactic acid dissolve in water and exfoliate the skin’s surface, so they...
Skin barrier repair means giving your skin’s outer layer time to rebuild the fats that keep water in and irritants...
Clogged pores, bumps and breakouts, explained with the studies.
To minimize pores, match the fix to the reason they look big. Oily pores: cleanse twice a day, use non-comedogenic...
To get rid of blackheads, use one pore-clearing ingredient every day for 8 to 12 weeks: adapalene 0.1% gel (sold...
An acne face map links where you break out to why you break out. The organ version (forehead = liver,...
A retinol purge is a short flare of small spots, such as whiteheads, blackheads and little red bumps, in the...
How do pimple patches work? They cover a pimple with hydrocolloid, a wound-dressing gel that absorbs fluid and oil and...
Closed comedones are small, skin-colored or white bumps that form when a pore fills with oil and dead skin cells...
Sebaceous filaments are thin, normal columns of oil and dead skin cells that line your pores and carry oil to...
The Science of Color in Skincare: What Your Products’ Colors Really Mean Walk into any skincare aisle and you’ll notice...
Top 5 Best At-Home Red Light Therapy Devices (2026 Review) Red light therapy has quickly become one of the most...
Morpheus8 is a fractional radiofrequency (RF) microneedling treatment made by InMode. Insulated needles go up to 4mm into the skin...
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