Ingredient

Panthenol

Vitamin B5 in a form that pulls water into skin and helps a damaged barrier repair itself. The best-evidenced of the soothing ingredients.
Five serum bottles on white, two labeled D-Panthenol and 5% Panthenol, plus pantothenic B5 and hyaluronic acid with B5 formulas

Start here

Panthenol is what I look for on the label when someone has wrecked their skin barrier — a retinoid started too fast, three acids in one week, a winter of hot showers. It holds water in the outer layer, so skin feels better in a day or two, and it feeds the machinery skin uses to build its own fats, so the barrier repairs faster. It is not an anti-aging ingredient and it will not treat acne, eczema or rosacea; it makes those easier to live with while you treat them. Choosing between two barrier creams, I take the one with panthenol, but I would not pay much extra for it.

— Dr. Schwarz, Board Certified Dermatologist

Key Facts

Also calledProvitamin B5, dexpanthenol, D-panthenol, pantothenol
TypeHumectant and barrier-repair ingredient. The skin converts it to vitamin B5
Strengths soldRoughly 1% to 5% in cosmetics. 5% dexpanthenol creams and ointments are sold over the counter in many countries
UseMorning, night, or both
Time to workComfort within a few days. Barrier repair over two to four weeks
Prescription neededNo

What It Is

Panthenol is the alcohol form of pantothenic acid, or vitamin B5. Skin converts it after you apply it, which is why it is called provitamin B5. Pantothenic acid is what the body uses to make coenzyme A, central to how cells build fats — and that is why panthenol changes the barrier rather than sitting on it. Two versions are sold. D-panthenol, or dexpanthenol, is the form the body uses. DL-panthenol is a mixture and delivers about half as much per gram. Labels often just say panthenol. Dexpanthenol 5% has been sold in Europe for decades as an over-the-counter cream or ointment for minor wounds, chapped skin, sore nipples and diaper rash. In the United States it is usually a cosmetic ingredient in moisturizers and serums, at lower strengths. In hair products, panthenol coats the hair shaft and has nothing to do with any of this.

How It Works

Panthenol does three things, on three timescales.

The first is immediate. It is a humectant, small enough to move into the upper layers rather than sit on top. Measured water loss falls and tightness eases within a day or two.

The second is slower. Converted to pantothenic acid, it feeds the pathway skin cells use to make coenzyme A, which they need to build the fatty acids and ceramides that hold the barrier together. Studies that strip the barrier and measure recovery show faster recovery with panthenol. The mechanism is real; the effect is modest.

The third is the least understood. Panthenol calms redness, stinging and itch better than a plain moisturizer, which is why it goes on after laser, after tattooing and on minor wounds. How is not settled.

On wounds it appears to push the cells that rebuild skin to multiply and close a gap faster. That evidence covers minor, superficial wounds — not deep or infected ones.

Here is where Panthenol acts in the skin, and what the others do instead.

About Panthenol
Compare
Skin basics
PULLS WATER INSTAYS ON THE SURFACELOOSENS DEAD SKINSEALS WATER INSEALS WATER INFILLS THE GAPSFILLS THE GAPS

A humectant draws water into the outer layer and holds it there. Skin holding more water is plumper and more flexible, and fine lines caused by dryness soften within minutes. Seal it with something on top or in dry air the water can simply evaporate away.

Panthenol is small and water-loving, so it stays in the outer layer and holds water there. The skin converts a little of it to vitamin B5.

These acids work at the surface. They break the bonds holding dead cells to each other, so the top layer sheds more evenly. Skin looks smoother and brighter, and anything applied afterwards gets in more easily.

An occlusive sits on the surface and slows water escaping. It adds nothing to the skin; it stops what is already there from leaving, which is why it works best over damp skin.

An occlusive sits on the surface and slows water escaping. It adds nothing to the skin; it stops what is already there from leaving, which is why it works best over damp skin.

Emollients are oils and lipids that sit in the spaces between the cells of the outer layer, the mortar between the bricks. They fill those gaps rather than covering them over, so skin feels smoother straight away, water stays in and irritants stay out.

Emollients are oils and lipids that sit in the spaces between the cells of the outer layer, the mortar between the bricks. They fill those gaps rather than covering them over, so skin feels smoother straight away, water stays in and irritants stay out.

The outermost layer, and the one every moisturizer is aiming at. It is dead — flattened cells stacked like bricks, with a mix of fats as the glue between them. That glue is what holds water in and keeps irritants out.

The outer layer, and the only one anything in a jar reaches. It renews itself constantly: a cell made at the bottom takes about a month to reach the surface and flake off. Most of what a skincare product does, it does here.

The living layer underneath, holding the blood vessels, the nerves and the collagen. It is where lasting change happens and it is hard to reach: most of what is sold for the skin never gets this far.

What It Treats

No strong evidence for any condition.

Forms

Panthenol turns up in serums, gels, moisturizers and masks at 1% to 2% without being the headline. It earns its place in barrier repair and post-procedure products, alongside ceramides, glycerin or centella. Dexpanthenol 5% ointment is its own category, sold in pharmacies for chapping, grazes, diaper rash and sore skin. It is greasy, and that is part of why it works.

A row of Panthenol products sold as ointment, photographed on white.
Chapped, raw or grazed skin
Ointment
Dexpanthenol 5% in a greasy base. The version that does the most.
A row of Panthenol products sold as cream, photographed on white.
Everyday repair
Cream
5% in a lighter base. Easier to wear, and still made for skin that is unhappy.
A row of Panthenol products sold as serum or gel, photographed on white.
Under a moisturizer
Serum or gel
1% to 2% in a watery layer. Soothing, and a supporting player.
A row of Panthenol products sold as post-procedure cream, photographed on white.
After laser or peels
Post-procedure cream
Panthenol with ceramides and centella. What clinics hand out afterwards.
A row of Panthenol products sold as spray or foam, photographed on white.
Sunburn and large areas
Spray or foam
Sprayed on skin too sore to rub. Convenient, and thin.

Strengths

The useful range is narrow. Below 1% panthenol is a supporting ingredient; above 5% it turns sticky without adding benefit. Most published work sits at the top of that range.

WeakestStrongest
Under 1%1% to 2%5%Above 5%
Supporting role
Under 1%
One item on a long ingredients list, contributing rather than doing the work.
Everyday moisturizers
1% to 2%
The usual level in products sold for hydration or soothing. Enough to notice on comfort.
The studied level
5%
The strength in dexpanthenol creams and ointments, and in most barrier repair and wound studies. Look for this if repair is the goal.
Diminishing returns
Above 5%
Syrupy, and tacky on the skin. No evidence it works better.

Basics

When to Apply
After cleansing, before your heavier moisturizer or ointment. Morning, night or both. It layers with anything and needs no spacing from other actives.
How to Start
No ramp-up. To repair a stripped barrier, pause all actives, use a panthenol cream twice a day for two to four weeks, then add one active back at a time. A 5% dexpanthenol ointment is the option for cracked hands, lips and small grazes.
If It Irritates
Uncommon. Panthenol is among the least irritating ingredients in skincare, and the usual choice for skin that reacts to everything. Allergy to it is rare. If a product containing it stings, suspect the rest of the formula.
If It's Not Working
Panthenol supports repair; it does not treat inflammation. Skin still red, sore and flaking after four weeks of a gentle routine is being actively inflamed, and that needs identifying rather than covered with more product.

Sample Routine

Here is where Panthenol sits in a day, and what goes around it. Pick what you are treating and what your skin is like, and the rest of the routine changes to suit.

What to Expect

Days 1 to 3Weeks 1 to 2Weeks 2 to 4
Comfort
Days 1 to 3
Tightness and stinging ease. Skin stops reacting to things that bothered it last week.
Settling
Weeks 1 to 2
Redness and flaking calm down. Skin holds water longer between applications.
Repair
Weeks 2 to 4
The barrier rebuilds. Actives can go back in, one at a time.

What to Avoid

  • Conflicts with essentially nothing What goes wrong is expectations and the rest of the routine.
  • Layering it over an untreated problem A soothing serum on top of an inflamed rash is a delay, not a fix.
  • Using it as your only moisturizer It draws water in and does not hold it there. In dry air that can leave skin feeling worse, so put a cream or ointment on top.
  • Reintroducing your actives too soon The usual mistake is one good week, then everything back on at once. Add one product a week.
  • Chasing high percentages Above about 5% panthenol just turns tacky. A well-made 2% cream beats a badly made 10% one.
  • Applying it to a wound Small grazes and chapping, yes. Anything dirty, deep, or spreading is a job for a doctor.

If You Stop

Nothing dramatic. The comfort fades over a few days as skin loses the extra water it was holding. The barrier repair stays. Fats built in over those weeks do not unbuild themselves. What matters is whether whatever damaged the barrier is still happening — if the over-exfoliating, hot showers or harsh cleanser have not changed, skin drifts back over a few weeks. Plenty of people use panthenol in courses — a few weeks after a procedure or a bad reaction, then back to their usual routine. Long-term use is fine too.

Ask Your Doctor

If you develop a rash, itching or swelling where you apply it: Allergy is rare but real. Worth confirming.
If a wound is deep, dirty, or not closing after a few days: Superficial grazes suit an ointment. Anything more does not.
If the skin around a graze becomes red, warm, swollen or painful: That points to infection, not slow healing.
If your skin has been red and stinging for more than a month despite a gentle routine: Something is inflaming it.
If you are using it on a baby's nappy rash and the rash is not settling: Often yeast, which a repair ointment will not clear.
If you are breastfeeding and using it on sore nipples: Ask the clinician managing your care; what goes there can reach the baby.

How It Compares

Five moisturizer bottles containing glycerin lined up on white, including a bottle of pure vegetable glycerin16:9 hero for Glycerin. Never cropped: the tone strip and the corner logo depend on the full frame.

Glycerin

Better

The workhorse humectant, cheaper and at least as good at holding water. It does not feed into barrier fat production the way panthenol does.

Five hyaluronic acid serums lined up on white, pump bottles and dropper bottles with their boxes16:9 hero for Hyaluronic Acid. Never cropped: the tone strip and the corner logo depend on the full frame.

Hyaluronic acid

Different job

Holds a lot of water at the surface but is a much larger molecule and stays higher up. Better on immediate plumpness, weaker on repair.

Six niacinamide products on white, including The Ordinary 10% + Zinc 1%, Paula's Choice Booster and EltaMD UV ClearLabeled cutaway diagram of a single skin pore, headed Niacinamide. The epidermis is a brick-textured band across the top and the dermis is pink below it, with a yellow oil gland at the base of the pore and a small cluster of bacteria inside it. Two callout lines point in: decreases inflammation is drawn in dark navy as the main effect, and decreases oil production is drawn in gray as a lesser one. Nothing points at the dead cells blocking the pore.

Niacinamide

Different job

Does more overall, including on pigmentation and oil, and supports the barrier as well. More likely to sting on skin that is already irritated, which is exactly when panthenol is easiest.

Four ceramide moisturizers lined up on white: two tubes, a CeraVe tub and a blue jar16:9 hero for Ceramides. Never cropped: the tone strip and the corner logo depend on the full frame.

Ceramides

Different job

Supply the barrier fats directly instead of helping the skin make its own. The two are often used together and are not really rivals.

Centella asiatica and madecassoside

Worse

Limited to moderate evidence. Marketed for the same soothing purpose, with a thinner evidence base. Frequently combined with panthenol in the same product.

Myths

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  • "Panthenol is just an expensive moisturizer." It does moisturize, but it also feeds the pathway skin uses to make its own barrier fats, and barrier recovery studies show a real difference. Modest rather than dramatic, and more than nothing.
  • "Vitamin B5 clears acne." That comes from high-dose pantothenic acid supplements, a different thing taken a different way, on very thin evidence. Panthenol on the skin is not an acne treatment, and B5 by mouth is not worth your money for acne.
  • "It heals wounds." It helps small, shallow ones close a little faster — chapping, grazes, skin recovering after procedures. Deep wounds, burns beyond the most superficial, and anything infected are not in that category.
  • "Panthenol is only for damaged skin." That is where it shines, but it works as an everyday hydrating ingredient too. There is just less to notice when the skin was fine to begin with.
  • "D-panthenol and DL-panthenol are the same thing." They are not. D-panthenol, or dexpanthenol, is the form the body uses. DL-panthenol is a mixture and delivers about half as much per gram. Good products use the D form and say so.
  • "It is the same as taking a vitamin B5 supplement." No. Applying it puts it where the skin can use it. Swallowing it sends it through the whole body, and no evidence says a B5 supplement improves the skin barrier.

Questions Patients Ask

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What does panthenol actually do?

Two things. It holds water in the outer layer, so skin feels less tight within a day or two. And once converted to vitamin B5 it feeds the pathway skin uses to build barrier fats, which is why a damaged barrier recovers faster.

Is panthenol the same as vitamin B5?

Close. Panthenol is the alcohol form, and skin converts it to pantothenic acid, which is vitamin B5. Hence provitamin B5.

Will it help my skin after a retinoid or a peel?

This is where it is most useful. Panthenol creams are standard after peels, laser, microneedling and over-exfoliation. Expect comfort within days and repair over two to four weeks.

Does taking a vitamin B5 supplement help acne?

The evidence is very thin and the doses were high. Better-supported acne treatments exist. Panthenol on the skin is not an acne treatment either.

Can I use it with retinoids, acids or vitamin C?

Yes. It does not react with them, needs no spacing, and often makes them easier to tolerate.

Is 5% better than 2%?

For repair, probably — most published work used 5%, the level in dexpanthenol ointments. For everyday hydration, 2% in a well-made cream is plenty. Above 5% you mostly get stickiness.

References

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