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Your nails go through a lot: handwashing, polishing, maybe some absent-minded picking (guilty).

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Courtesy of brands / Jessica Kasparian / Laneen Wells

Think of these hydrating treatments like moisturizers for your mani.

Ready to try one?

Shop our favorites below.

OPI Nail Envy Nail Strengthener

Keep an eye out for these dermatologist favorites.

How should you apply nail strengthener?

To maintain healthy nails, Dr. Spearman recommends applying your strengthener once every few days.

OPI Nail Envy Nail Strengthener

Who should avoid using a nail strengthener?

Rocking a set of acrylics, gels, or extensions?

Plus, strengtheners might damage artificial nails by causing lifting or chipping, she adds.

Olive & June Advanced Nail Strengthener

Only nail strengtheners that were easy to apply and really worked earned a spot on our list of winners.

Its packed with conditioning ingredients like biotin but comes in colors that are just as opaque as regular polish.

(you’ve got the option to even grab it in the brands staple shadeBubble Bath.)

Olive & June Advanced Nail Strengthener

Our tester loves using the clear shade, which she says instantly makes her nails look healthier.

It adds a subtle shine that seems to blur any imperfections on my nails surfaces.

It also hydrates with panthenolone of our experts favorite ingredients.

Sally Hansen Hard As Nails

Ive been using it for the last few weeks and Im officially a big fan.

My nails were super dry from the cold NYC winter, and I had hangnails galore.

It now has a permanent spot on my nightstand.

Sally Hansen Hard As Nails

She also likes the glossy finish thats reminiscent of a top coat.

Below are a few more popular, dermatologist-recommended picks.

Even though we havent tested them for ourselves yet, we still think theyre worth a try.

ISDIN Si-Nails Nail Serum Strengthener

For her, that product is this ISDIN serum because its easy to apply any time, anywhere.

It helps with both nail thickness and strength, she says.

(It doesnt hurt that the sleek packaging will also look nice on your vanity.)

ISDIN Si-Nails Nail Serum Strengthener

It comes in a few sheer colors that all have a glossy finish to spruce up your DIY mani.

Dr. Spearman also says the formula stays put (no chipping).

Plus, it has soybean and safflower seed oils to moisturize and horsetail extracts to improve texture and brittleness.

Tenoverten The Foundation Base Coat

Tenoverten The Foundation Base Coat

Essie Hard to Resist Advanced Nail Strengthener

Essie Hard to Resist Advanced Nail Strengthener

Nails.INC Gimme Strength Nail Treatment

Nails.INC Gimme Strength Nail Treatment

duri Rejuvacote 1 Nail Growth System in branded component on a light gray background

duri Rejuvacote 1 Nail Growth System

Orly Nail Defense

Orly Nail Defense