Guides
Evidence-basedguides.
Every guide is based on peer-reviewed articles and institutional sources; you will find them at the end of each guide and on the literature page.
Causes, solutions, routines
Condition guides
- Acne9 sourcesWhy do pimples happen, and how do you get rid of them? Plenty of women meet acne for the first time in their twenties, thirties or even forties. With the right treatment that tackles hormones, clogged pores and inflammation together, plus a simple routine, you can get breakouts under control.→
- Rosacea9 sourcesWhat is rosacea, and how do you calm it? Redness on the cheeks that comes easily and won't fade, burning in the heat and bumps that look like pimples. By getting to know your triggers and pairing the right treatment with gentle skincare, you can often get this facial redness under control.→
- Atopic dermatitis10 sourcesWhat causes eczema (atopic dermatitis), and how do you calm it? This chronic condition, with its itching, dryness and flaring red patches, may not go away completely, but with regular moisturizing, avoiding triggers and the right treatment, it can be kept calm for long periods.→
- Seborrheic dermatitis9 sourcesWhat causes seborrheic dermatitis (scalp eczema), and how do you calm it? Greasy dandruff on the scalp and flaky redness on the eyebrows and around the nose can often be kept calm for long periods with the right shampoo, gentle facial care and regular maintenance treatment.→
- Perioral dermatitis8 sourcesSmall bumps and redness around your mouth? Perioral dermatitis is most common in young and middle-aged women and is often triggered by cortisone applied to the face or by too much skincare. By simplifying your products and getting the right treatment, it usually calms down within a few weeks to a few months.→
- Sensitive skin10 sourcesHow can you tell if you have sensitive skin? If a new cream stings, the wind makes your face burn or the cold leaves it feeling tight, you're not alone: nearly half of women report sensitive skin, and with a simplified, gentle routine your skin's reactivity can ease over time.→
- Dryness and barrier damage10 sourcesHow can you tell your skin barrier is damaged, and how do you repair it? Tightness, flaking, every product stinging and a dry face are often signs of an overly intense skincare routine. By simplifying your products and using the right moisturizer, your skin barrier usually bounces back within a few weeks.→
- Melasma10 sourcesMelasma, also known as the pregnancy mask, shows up as symmetrical brown patches on the cheeks, forehead and upper lip. Triggered by hormones, sun and visible light, these patches can fade noticeably with the right daily protection and a patient treatment plan.→
- Post-inflammatory dark spots and sun spots8 sourcesDark spots on your face are most often either a brown mark left behind by a healed pimple or a sun spot that appeared over the years. Once you know the type of spot, it's much easier to plan how to fade it, what will help and how to prevent new ones.→
- Dandruff and itchy scalp8 sourcesWhat causes dandruff and how do you get rid of it? The white flakes falling on your shoulders and the itching are not a hygiene problem; they are the combined result of scalp oil, a natural yeast and personal sensitivity. With the right shampoo and regular washing, dandruff calms down quickly in most women.→
- Female pattern hair loss8 sourcesIf your part is getting wider and your ponytail thinner, this may be the most common type of hair loss in women: female pattern hair loss. When you notice it early and start the right treatment with your dermatologist, it's possible to slow the thinning and preserve your hair density.→
- Hair loss from stress, dieting and after pregnancy8 sourcesHandfuls of hair suddenly in the shower, on your pillow, in your brush? Sudden hair loss is very often the echo, 3–4 months later, of a shock to the body such as stress, childbirth, illness or dieting; its medical name is telogen effluvium. Once the cause is found and removed, hair usually grows back on its own.→
- Psoriasis8 sourcesPsoriasis shows up as thick plaques with silvery scales on the elbows, knees and scalp; it isn't contagious and is related to an overactive immune system. While there's no definitive cure, with today's creams, light therapy and new medications most women can stay comfortable for long periods.→
- Contact dermatitis7 sourcesBurning eyelids after a new cream, itching around your earring hole, hands turning red after using detergent: these can be your skin's reaction to something it touched, that is, contact dermatitis (contact eczema). Once you find the culprit and remove it, the skin often calms down quickly.→
- Keratosis pilaris8 sourcesRough, pimple-like bumps on your arms? Keratosis pilaris, or chicken skin, isn't caused by dirt but by keratin building up in the hair follicle; with urea creams and a gentle routine, your skin can feel noticeably softer within a few weeks.→
- Folliculitis and body acne9 sourcesBack acne, red dots on your legs, bumps after waxing… They're not all the same thing. Learn how to tell folliculitis, fungal folliculitis, ingrown hairs and body acne apart, and how each one clears up with the right care.→
- Skin and hair in PCOS8 sourcesChin breakouts that won't clear, more facial hair, thinning hair at the crown, darkening on your neck… Learn to recognize the skin signs of polycystic ovary syndrome (PCOS) and how you can keep them under control by addressing hormones, insulin and the right skincare together.→
- Skin during pregnancy and after birth9 sourcesPregnancy acne, the pregnancy mask (melasma) on your face, stretch marks on your belly and itching that gets worse at night… Learn the causes, which products are safe and which kind of itch needs to be seen by a doctor, so you can care for your skin during pregnancy with peace of mind.→
- Skin and hair in menopause9 sourcesDry skin, itching, thinning, deepening wrinkles and hair that loses its volume in menopause… Learn what falling estrogen does to your skin and how updating your skincare can help you feel comfortable in your skin again.→
- The eye area: dark circles, puffiness and eczema8 sourcesDark circles that don't go away even when you sleep, under-eye bags that puff up in the morning, hollows or itchy eyelids… Find out how to tell what type of dark circles you have, what you can do at home for each and which treatments actually work.→
- Premature aging10 sourcesMost premature skin aging, meaning wrinkles, fine lines, dark spots and collagen loss, comes not from the calendar but from the sun, smoking and polluted air. Get to know the causes and learn how daily sunscreen, a retinoid and the right routine can slow down skin aging.→
Know your type
Skin type guides
- Normal skin6 sourcesNormal skin neither feels tight nor gets shiny by midday. Find out how to identify your skin type with the blotting paper test, and which simple skincare routine is enough to keep this balance for years.→
- Dry skin7 sourcesIf your face feels tight after washing, gets flaky and dries out even more in winter, you're not alone. Here we explain, step by step, what causes dry skin, what to do about it and which moisturizer actually works.→
- Oily skin7 sourcesIs your face shiny by noon, are your pores visible, and do you break out (acne) often? Learn what causes oily skin and how to care for it: the goal isn't to dry it out, but to balance the oil.→
- Combination skin6 sourcesAre your forehead and nose shiny while your cheeks feel tight? Combination skin is one of the most common types. Here's how to tell if you have it and how to build a routine that balances both zones at the same time.→
- Sensitive skin7 sourcesDoes your face sting with a new cream, turn red in the cold and burn at the slightest thing? Learn how to tell if you have sensitive skin and how to calm redness; more often than not, fewer but the right products make the biggest difference.→
- Mature skin7 sourcesAfter your 40s and with menopause, is your skin getting thinner and drier and losing firmness? Learn how to care for mature skin: with the right ingredients, supporting hydration, firmness and radiance is possible at any age.→
Hair and scalp
Hair and scalp guides
- Straight hair (Type 1)6 sourcesStraight hair care focuses on two things: slowing down how fast your roots get oily and adding volume without weighing the strands down. Here you'll learn, step by step, why straight hair gets oily so quickly and how to keep it shiny and full.→
- Wavy hair (Type 2A–2C)6 sourcesWhen wavy hair isn't cared for the right way, the waves either get weighed down and fall flat or puff up and fall apart. With light moisture, the right detangling and hands-off drying, you can get defined, frizz-free S-waves.→
- Curly and coily hair (Type 3–4)7 sourcesCurly hair care starts with protecting the most delicate parts of your hair: every curl loses moisture quickly and breaks easily with friction. With washing, moisture and drying steps that reduce frizz and dryness, your curls become more defined.→
- Fine and thinning hair6 sourcesThe goal of fine hair care is to add volume without weighing hair down and to prevent breakage. Has your hair always been fine, or has it thinned recently? Understanding that difference is the first step to finding out what helps with thinning hair.→
- Thick and dense hair6 sourcesThick, dense hair is strong, but it frizzes easily, takes a long time to dry and has a hard time absorbing products. Here you'll find how to tame puffy hair, how to work moisture into the strand and how to truly clean your scalp under dense hair.→
- Colored, bleached and chemically treated hair (including keratin and perms)7 sourcesColor-treated hair care is built around protecting your color and strengthening damaged strands. Dye, bleach, perms and keratin treatments change the inner structure of your hair; with the right shampoo and the right balance of heat and moisture, you can protect both your color and your hair's strength for longer.→
- Oily scalp7 sourcesGreasy roots are a very common issue that makes hair you washed in the morning look oily by evening. Once you understand why it happens and adjust your wash frequency, shampoo and care habits, your oily scalp will feel much more balanced and fresh.→
- Dry scalp6 sourcesA dry scalp shows up as tightness, itching and fine white flakes falling on your shoulders, and it's often mistaken for dandruff. A dry scalp needs moisture, not stripping: with the right shampoo, lukewarm water and moisturizing care, flaking can decrease noticeably.→
- Sensitive and itchy scalp7 sourcesScalp itching, burning and sore roots aren't in your head; a sensitive scalp is a real condition that has been described in research. When you identify your triggers and switch to simple, fragrance-free, soothing care, your scalp usually calms down.→
From 13 to 60+
Care-by-age guides
- Teens · Ages 13–19 (puberty)7 sourcesWhat should teen skin care look like, why does puberty acne happen and when does it go away? With a simple routine that doesn't overwork the oil glands your hormones have just woken up, you can keep breakouts (acne) under control and protect your skin from marks and dark spots.→
- 20s · Ages 20–298 sourcesWhat should skincare look like in your 20s? While collagen and renewal are at their peak, a busy pace, lack of sleep and sun quietly spend this capital. With daily sunscreen, a simple routine and retinol at the right time, you can delay your first wrinkles for years.→
- 30s · Ages 30–398 sourcesWhy should your skincare change after 30? Collagen production slows down, and the sun exposure built up in your 20s shows up as first wrinkles, under-eye lines and dark spots. With retinol, vitamin C and daily sunscreen, you can slow these signs and keep your skin looking vibrant.→
- 40s · Ages 40–49 (perimenopause)8 sourcesWhy should you rethink your skincare in your 40s? With perimenopause, estrogen fluctuates; skin gets drier and thinner, wrinkles and sagging become more visible, and sometimes even breakouts return. With rich hydration, a retinoid and daily sunscreen, you can prepare your skin for this transition.→
- 50s · Ages 50–59 (menopause)8 sourcesWhy does skin get dry, itchy and thin during menopause? With the drop in estrogen, collagen loss speeds up, sebum decreases and hair thins. With a cream cleanser, a rich moisturizer, a retinoid and sun protection, it's possible to keep your skin comfortable and firm in your 50s.→
- 60 and beyond · Ages 60 and up8 sourcesThe most common problems in skincare after 60 are dryness and itching: skin gets thinner, renews slowly and gets irritated easily. With soap-free cleansing, a rich moisturizer, sun protection and keeping an eye on new spots, you can keep your skin soft, comfortable and healthy.→
- Pregnancy and postpartum · Pregnancy and after7 sourcesWhat should skincare look like during pregnancy, and which creams should you avoid? Hormones can cause dark patches, stretch marks and breakouts, or, quite the opposite, give you a glow. By setting aside retinoids and building a simple routine with safe ingredients, you can protect yourself and your baby, and rest easy knowing that most changes fade after delivery.→
Blog
Articles
- What is the skin microbiome, and how do you keep it balanced?6 min · 5 sourcesMillions of microorganisms live on the surface of your skin right alongside you. In plain language, we explain what the skin microbiome is, what puts its balance under strain, and how you can support that balance with gentle cleansing, moisturizing and sun protection.→
- Damaged skin barrier: 9 signs and how to repair it6 min · 5 sourcesA toner that suddenly burns, a chin that breaks out out of nowhere, tightness that never goes away... We go over the 9 most common signs of a damaged skin barrier and a simple repair plan to get your barrier back on track in four weeks.→
- Probiotics, prebiotics, postbiotics: what's the difference, and what do they do for skin?6 min · 6 sourcesThree words, one letter apart, completely different meanings. What are probiotics and prebiotics, what do postbiotics do, and do they really make a difference in creams? In plain language, we explain their scientific definitions and their realistic place in your daily routine.→
- Is washing your face too much bad? How many times a day should you wash it?6 min · 5 sourcesThat squeaky-clean feeling is often a sign of wear and tear, not cleanliness. We explain how over-washing affects your skin, how many times a day you should wash your face, and how to cleanse oily, dry or sensitive skin the right way.→
- Your menstrual cycle and your skin: why you break out before your period, and what to do7 min · 4 sourcesGlowing one week, breaking out and sensitive the next... Pre-period breakouts and skin that changes throughout your cycle are no coincidence. We walk through the four hormonal phases and how you can care for your skin in each one.→
- How does stress show up on your skin? Stress acne, itching and cortisol6 min · 6 sourcesThe breakouts, redness or itching you see in the mirror after a hectic week are no coincidence. We explain how stress affects your skin, why stress acne appears and a simple plan to soothe your skin through tough times.→
- Sleep and skin health: how does lack of sleep affect your skin?6 min · 5 sourcesBeauty sleep is more than just a saying. Your skin has its own internal clock and runs a quiet repair shift all night long. We explain how sleep loss affects your skin and how you can build your nighttime skincare around this clock.→
- How do you choose a sunscreen, and how much should you apply? What SPF do you need?7 min · 5 sourcesThe SPF on the label only means something when you apply enough. What SPF should your sunscreen be, how much should you apply and when, and do you need it in winter too? Everything you need to know, from choosing the right one to reapplying.→
- Can you use retinol and vitamin C together? A guide to layering acids, retinol and vitamin C7 min · 5 sourcesYou can use strong active ingredients together, as long as you know the right order, the right timing and your skin's limits. Here's a roadmap for using retinol, vitamin C serum and AHA/BHA acids in the same routine without irritation.→
- Scalp care: what causes dandruff and itching, and where does healthy hair begin?7 min · 4 sourcesWe usually start hair care at the ends; but the story of healthy hair begins at the roots. We explain what causes an itchy scalp and dandruff, which habits wear your scalp down, and a simple scalp care routine you can follow at home.→
- Dry skin in winter: central heating, cold air and winter skincare6 min · 4 sourcesFreezing cold outside, dry heated air inside. Why does skin get dry in winter, and what helps with dryness and itching? In 7 steps, we explain how you can support your skin while it's under pressure on two fronts at once.→
- The gut-skin connection: how does what you eat affect your skin?7 min · 5 sourcesDoes what you eat show up on your face? We explain the link between the gut and the skin, the eating habit whose connection with acne has been studied best, and a simple, sustainable plate that supports your skin.→
- How do you clean makeup brushes? Brush hygiene and removing makeup the right way6 min · 4 sourcesThe brushes, sponges and products that touch your face every day are your skin's silent partners. How do you clean makeup brushes and sponges, how often should you wash them, and how long do products last? Ways to protect your skin without giving up makeup.→
- 7 skincare myths: the truth about drinking water, pores and oily skin7 min · 6 sourcesDoes drinking water hydrate your skin, should oily skin use moisturizer, do pores open and close? We put seven common skincare myths passed along by word of mouth under the microscope of research.→