Read the signs your body shows
What is this on my skin, nails or hair?
Plain-English guides with pictures: what a sign usually is, what helps, and when it needs a doctor. Every page cites its sources.
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Rashes and skin
Eczema or ringworm, hives or bites, and when a rash is urgent.
Nails
Ridges, spots, dark lines, color changes and what they point to.
Hair and scalp
Shedding, crown thinning, the Norwood scale, dandruff or dry scalp.
On a GLP-1 medicine?
Hair loss, injection site reactions, rashes and skin changes while losing weight.
Tongue
White coating, black hairy tongue, cracks, bumps and colors.
Supplements
Biotin, zinc, hair loss on GLP-1: what the evidence supports.
Is it this or that?
Athlete's foot or dry skin? How to tell what is peeling your feet
athlete's foot vs dry skin
Bed bug bites or mosquito bites? How to tell what bit you
bed bug bites vs mosquito bites
Eczema or ringworm? How to tell the two rashes apart
eczema vs ringworm
Folliculitis or ingrown hair? How to tell the difference
folliculitis vs ingrown hair
Heat rash or hives? How to tell the difference
heat rash vs hives
Hives or bug bites? How to tell the difference
hives vs bug bites
Psoriasis or eczema? What each rash looks like and how to tell
psoriasis vs eczema
Scabies or eczema? How to tell an itch mite rash from eczema
scabies vs eczema
Skin, hair and injection site changes on GLP-1
Brittle or slow-growing nails on Ozempic, Wegovy or Mounjaro: why it happens and what helps
ozempic nails
Hair loss on Ozempic, Wegovy, Mounjaro and Zepbound: why it happens and what to do
ozempic hair loss
Will hair grow back after Ozempic, Wegovy, Mounjaro or Zepbound? The timeline
will hair grow back after ozempic
Injection site reactions on Ozempic, Wegovy, Mounjaro and Zepbound: what is normal and what is not
ozempic injection site reaction
Where to inject Ozempic, Wegovy, Mounjaro and Zepbound: injection sites diagram and rotation tips
ozempic injection sites diagram
Ozempic face: what it is, why it happens on Ozempic, Wegovy, Mounjaro and Zepbound, and what helps
ozempic face
Not affiliated with or endorsed by Novo Nordisk or Eli Lilly.
Supplements for skin, hair and nails, honestly
Biotin for hair: does it work?
biotin for hair
Supplements for hair loss on GLP-1 drugs: what actually helps
supplements for hair loss on glp-1
Supplements for acne: zinc, omega-3 and what the evidence says
supplements for acne
Vitamin deficiency skin symptoms: what each sign points to
vitamin deficiency skin symptoms
Vitamins for nails: what actually helps brittle, peeling nails
vitamins for nails
Hair and scalp
Hair breakage vs hair loss, and how to tell them apart
hair breakage vs hair loss
Dandruff or dry scalp? How to tell, what helps each, and when it is something else
dandruff vs dry scalp
The early signs of balding, and why catching them matters
early signs of balding
How much hair loss is actually normal
how much hair loss is normal
Why your scalp itches, and what to do about it
itchy scalp causes
Mature vs receding hairline, and how to tell which you have
mature vs receding hairline
Nails
Why your nails are brittle and splitting
brittle nails
Nail clubbing, and why rounded fingertips matter
nail clubbing
Black line on a nail: what causes it and how to tell
black line on nail
How to spot nail fungus early
nail fungus early signs
Half moons on your nails, and why their size is usually fine
half moons on nails
Horizontal ridges on nails, also called Beau's lines
horizontal ridges on nails
Not sure what a nail, tongue or hair change means?
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