Skin types .

Acne-Prone vs Oily Skin: Not the Same Thing

Oil is one part of acne alongside clogged follicles, bacteria and inflammation, which is why the two labels don't always overlap.

Baumann Skin Type System: The 16 Skin Types Explained

A dermatologist's four-letter system for skin, what each letter means, how it compares with the five basic types, and how much the quiz can be trusted.

Can Your Skin Type Change? What Science Says

Your oil level is mostly inherited, but it moves with hormones, age, weather, medicines and your routine. Here's how to tell which change you're seeing.

Dry Skin Myths: What Actually Helps and What Doesn't

Seven common beliefs about dry skin, each with a verdict and the humectant, emollient and occlusive logic behind it.

Signs of a Dry Skin Type (and When It's Something Else)

The four signs that mark skin as dry by nature, what causes them, how they show in a selfie, and the symptoms that point to eczema, psoriasis or a medical cause instead.

Dry vs Sensitive Skin: How to Tell Them Apart

One is about missing moisture, the other about overreacting, and a damaged barrier can give you both at once.

Fitzpatrick Skin Types I-VI Explained

A six-step scale built for light therapy dosing, what it tells you about sunburn, dark marks and procedures, and where it falls short for darker skin.

Hormones and Skin Type: How Your Cycle, Pregnancy and Menopause Change It

What the research shows about oil and water across the monthly cycle, during and after pregnancy, around menopause, and under the influence of testosterone.

How to Find Your Skin Undertone: Cool, Warm, Neutral or Olive

Four quick tests, why each can mislead under the wrong light, and what your undertone means for tinted SPF, foundation and reading redness in photos.

How to Tell if You Have Sensitive Skin: Symptoms and Simple Checks

Which sensations count, why sensitivity is a layer on top of your skin type, and a few honest checks using your own product and patch-test history.

Oily Dehydrated Skin: How Skin Can Be Shiny and Tight at Once

Shine and tightness can show up on the same face, and the fix is usually a gentler cleanser plus a light humectant rather than stronger oil control.

Oily Skin in Summer, Dry in Winter: Is Your Skin Type Seasonal?

Why heat raises oil and cold weakens the barrier, how to test for the type underneath, and the one or two products worth changing each season.

6 min read

8 Oily Skin Myths That Make Shine Worse

Skipping moisturizer, washing more and alcohol toners all promise less shine; here's what the evidence says about each.

Oily T-Zone, Dry Cheeks: Why It Happens and How to Balance It

A map of your face: where the oil glands cluster, why the cheeks dry out, and how to treat each zone with multi-masking and targeted actives.

Oily vs Combination Skin: How to Tell Which One You Have

A side-by-side test that comes down to one question: what are your cheeks doing?

Reactive vs Sensitive Skin: What's the Difference?

Sensitive, reactive and sensitized skin sound alike, but they differ in cause and outlook, and only one of them tends to last.

Sensitive Skin Triggers: Common Causes You Might Be Overlooking

A catalog of what sets off sensitive skin, grouped into ingredients, environment, habits and internal factors, with a two-week diary method to find your own.

Skin Tone vs Undertone vs Skin Type: Three Different Things

Color, undertone, sun reaction and oil are four separate labels, and mixing them up leads to the wrong products.

9 min read

Skin Type and Climate: How Humid, Dry, Cold and Hot Weather Change Your Skin

The mechanism behind humid-weather shine, dry-air tightness and mountain sunburn, and the one or two products to change when you move or travel.

Skin Type by Age: How Your Skin Changes From Teens to 60s

A decade-by-decade look at oil, cell turnover, barrier strength and collagen, based on what researchers have measured.

Skin Type Quizzes Explained: What They Ask and How Accurate They Are

What the typical online quiz asks, what research says about self-reported skin type, and how to get an answer you can actually use.

Skin Type vs Skin Concern: Why the Difference Matters

Your type sets your base routine; your concerns decide which treatments to add on top, and keeping them apart makes skincare simpler.

Sunscreen for Your Skin Type: How to Choose the Right Formula

Gel, fluid, cream, stick, mineral or chemical: which sunscreen format fits oily, dry, sensitive and deeper skin, and how to test one before you commit.

What Is Combination Skin? Signs, Causes and What It Needs

A plain definition of combination skin, why your T-zone shines while your cheeks don't, and the care rules that follow.