SkincareSafety Guide

Skin

Understand your skin type, tone, and what your skin is doing.

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Skin typesThe main skin types and how they differ.Find your skin typeA practical identification guide.What different skin types look likeVisual differences between common skin types.

Common skin questions

Oily skinWhat oily skin means and how to read it.Skin type changesHow skin type can shift over time.Skin type and ageHow visible aging differs by skin type.
Not sure where to start?Use the skin-type guide before choosing routines or ingredients.

Concerns

Start from a skin problem or visible change.

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Oil and acne

Why oily skin happensThe main drivers behind excess oil.Oily skin and acneHow oil can contribute to breakouts.Can oily skin cause acne?A direct answer to the oil-acne link.

Changes and warning signs

Stress and oily skinHow stress may affect oiliness.Dehydration and oilinessWhy skin can feel oily and dehydrated.Skin cancer signsVisual signs that need professional attention.
Looking for a solution?Start with what oily skin actually needs before adding stronger products.

Ingredients

Understand what ingredients do and whether they fit your skin.

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Explore ingredients

NiacinamideA practical ingredient overview.Vitamin C serumWho can use vitamin C and when to be careful.RetinolHow retinol fits different skin types.

Use safely

Salicylic acidWhere this acne-focused ingredient fits.Niacinamide for all skin typesSuitability across skin types.Ingredient comparisonsUse comparisons to avoid mismatched decisions.
Can my skin use this?Browse compatibility questions before adding a new active.

Routines

Turn skin information into daily decisions.

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Daily basics

Does every skin type need moisturizer?A basic routine decision.Does every skin type need sunscreen?Where SPF fits in daily care.What oily skin needsA simple care direction for oily skin.

Adjust over time

Skin changes with ageWhen your routine may need to change.Seasonal skin changesHow weather affects skin behavior.Korean skincare approachWhat is useful beneath the trend.
Starting from scratch?Begin with moisturizer, sunscreen, and one skin-specific need.

Products

A small selection of skincare products recommended by OuterDerm for simple, effective everyday routines.

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Recommended picks

Daily SunscreenDaily UV protection that has to be wearable enough to stick with.Azelaic AcidA focused 10% azelaic acid when uneven tone or blemish marks are the concern.Gentle CleanserComfortable cleansing when tight or squeaky skin is a warning sign.
Not sure where to start?Browse three carefully selected essentials, then ask on WhatsApp before you order.

Learn

Go deeper into skin science, myths, evidence, and safety.

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Hazardous ingredients

Safety hubStart with mercury, steroids, PPD and other hazardous substances.Ingredient safety indexBrowse Phase 1 and Phase 2 hazardous ingredients.Mercury in whitening creamsLabel names, Punjab alerts, and what to do now.

Product literacy

Product literacy hubHow to read labels, claims, and INCI lists before you buy.How to read an ingredient labelINCI order, Parfum, and missing-list red flags.Fragrance-free vs unscentedHow to verify a fragrance-free claim on the ingredient list.How to choose sunscreenBroad spectrum, wearability, and a readable pack — not a fairness claim.

Skin science

Skin color geneticsHow inherited traits shape skin color.Skin color typesHow skin tone is commonly grouped.Are skin types genetic?What genetics can and cannot explain.

Evidence and myths

Can all skin types tan?Tanning, risk, and skin type.Is oily skin good or bad?A balanced view of oily skin.Why Korean skin looks flawlessTrend claims translated into practical basics.
Want the evidence layer?Use why-guides when you want causes, mechanisms, and context.

Conditions & Symptoms

Why Does My Body Hurt to Touch?

Pain from things that should not hurt, like a light touch, clothing, or a gentle breeze, is a specific and often unsettling symptom. It has a name: allodynia.

Most pain has an obvious cause: a cut, a burn, a bruise. Pain that comes from a light touch has no visible explanation, which makes it both confusing and distressing.

This symptom is called allodynia, and it occurs when the nervous system's pain-processing pathways become sensitized, so that signals that would normally be interpreted as harmless are read as painful [citation:3].

So why does the body hurt to touch, and what conditions cause it?

It is a bit like a security system that has been set too sensitively: it triggers the alarm at the slightest movement, even when there is no real threat [citation:3].

Quick answerPain from gentle touch is called allodynia, a type of nerve pain (neuropathic pain).

Medically reviewed by Dermatology reviewer · Updated Sep 11, 2026 · 4 min read

Person gently touching their arm with a concerned expression
Medical TermAllodynia
TypeNerve pain
Common CausesFibromyalgia, migraine
Also Linked ToShingles, diabetes
EvidenceGood

Key answer

Symptom needing evaluation

Pain from gentle touch is allodynia, a nerve pain symptom that requires medical evaluation [citation:3].

Evidence
Moderate - Symptom needing evaluation
Best for
Understanding allodynia and its causes
Limitation
Anyone with persistent symptoms, who should seek medical care

See what the evidence shows

Short version

Story in brief

Allodynia is defined as pain from stimuli that do not normally cause pain. A feather, a cotton t-shirt, or a gentle tap can feel sharp, stinging, or burning [citation:3].

The mechanism involves central sensitization, a change in how the central nervous system processes pain signals. An underlying condition or injury can cause the nervous system to become more sensitive, so that harmless signals trigger a pain response [citation:3].

Many conditions are associated with allodynia, including fibromyalgia, migraine, diabetes, shingles, and others that affect nerve function. It is estimated to affect roughly 7 to 10 percent of people worldwide [citation:3]. Diagnosis involves a medical evaluation to identify the underlying cause.

Mental model

Visual explanation

Evidence

What the evidence shows

Allodynia is not a skin problem but a nervous system one; the skin is sending normal signals, but the brain is interpreting them as pain [citation:3].

  • Pain from gentle touch?

    This may be allodynia; see a healthcare providerRequires evaluation to identify the cause [citation:3].

  • Associated with other symptoms?

    Note them for your appointmentHelps identify the underlying condition.

  • Severe or worsening?

    Seek medical care promptly

Use this section to decide

Does this advice apply to me?

Find the concern or goal closest to yours, then use the fit signal to decide how much weight to give this guide.
Strong fit means the advice is central to that goal.Depends means formula, tolerance, or context matters more.Use caution means do not treat it as the main answer.

  • If your goal is

    Medical termUse caution
    Fit signal
    Limited evidence

    Allodynia

  • If your goal is

    TypeUse caution
    Fit signal
    Limited evidence

    Nerve pain

  • If your goal is

    Common causesDepends
    Fit signal
    Possible fit

    Fibromyalgia, migraine

  • If your goal is

    ActionUsually relevant
    Fit signal
    Often useful

    See a provider

Explanation

How it works

  1. An underlying condition or injury

    Conditions like fibromyalgia, migraine, or diabetes affect nerve function.

  2. Central sensitization occurs

    The central nervous system becomes more sensitive to pain signals [citation:3].

  3. Normal signals become painful

    Gentle touch is misinterpreted as pain.

  4. Symptoms appear

    Pain from clothing, touch, or temperature changes.

Practical use

How to use it

  1. Note your symptoms

    Track what triggers the pain and how it feels.

  2. See a healthcare provider

    Allodynia requires evaluation to identify the cause.

  3. Follow treatment guidance

    Treatment depends on the underlying condition [citation:3].

Safety

Side effects and cautions

  • Assuming it is a skin problem

    Allodynia is a nervous system issue, not a skin condition [citation:3].

  • Ignoring the symptom

    It can indicate an underlying condition that needs treatment.

  • Self-diagnosing without evaluation

    A healthcare provider can identify the cause and appropriate treatment.

Fit

Who should be careful

  • Anyone with persistent symptoms, who should seek medical care

Worth noting

Small details that can change the answer

  • Definition. Allodynia is pain from stimuli that do not normally cause pain [citation:3].
  • Mechanism. It involves central sensitization in the nervous system [citation:3].
  • Types. Dynamic, tactile, and thermal allodynia [citation:3].
  • Prevalence. Estimated to affect 6.9% to 10% of people [citation:3].

Pain from gentle touch is called allodynia [citation:3].

It is a type of nerve pain, not a skin condition.

It involves central sensitization of the nervous system [citation:3].

Common causes include fibromyalgia, migraine, diabetes, and shingles.

It should be evaluated by a healthcare provider.

Definition

What allodynia is

Allodynia is a type of nerve pain in which normally non-painful stimuli produce pain. Examples include pain from wearing clothing, a gentle tap, or a mild temperature change [citation:3].

Explanation

Conditions associated with allodynia

Allodynia is a symptom rather than a condition itself, and it is linked to many underlying causes.

Clinical Guidance

When to seek medical care

  • If you experience pain from gentle touch or normal stimuli.
  • If the symptom is persistent, worsening, or affecting your daily life.
  • If you have other symptoms such as weakness, numbness, or changes in sensation.
  • If you have an underlying condition that may be related [citation:3].

Questions

Frequently asked questions

What is allodynia?

Allodynia is pain from stimuli that do not normally cause pain, such as a light touch or clothing [citation:3].

What causes allodynia?

It is associated with conditions like fibromyalgia, migraine, diabetes, shingles, and nerve injuries [citation:3].

Is allodynia a skin condition?

No, it is a nervous system condition involving how pain signals are processed [citation:3].

When should I see a doctor?

If you experience pain from normal touch, or if it persists or worsens [citation:3].