what is the active ingredient? is it amorolfine?

I believe the active ingredient is lactic acid. My recollection from Intro to Biology is that lactic acid is an enzyme that dissolves keratin.

Do you apply this and then put a band aid over it and change it every day?

You wash the nail and apply it once a day. No band-aid. I applied it just like Teri did, at night just before bed.

Is it better if you do not polish your nails

You can use breathable nail polish!

does it help to prevent toe nail from splitting?

Im not sure I only used it for some cracks and creases that I had on the upper layer, this worked for me to remove the upper layer and now my nails are flat and like new again.

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Kerasal Nail Renewal, Restorative Nail Repair for Damaged Nails, 0.33 oz | Restorative nail repair with Urea helps improve the appearance of damaged, discolored nails with quick visible results.

Product ID: 727565750

Details

Brand
Kerasal
Item Form
Liquid
Item Weight
0.27 g
Liquid Volume
0.33 fluid
Specialty
Damaged Nail

🎯Targeted applicator tip for mess-free use

💧0.33 fl oz precision liquid

🔬Urea + lactic acid dermatologist formula

148.45 DT

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Description

💅 Nail renewal that means business—because your hands deserve the spotlight

DERMATOLOGIST DEVELOPED FORMULA - Gentle exfoliation and hydration with urea and lactic acid for visible nail renewal
SMOOTHS RESTORES NAIL CLARITY - Reduces thickness, roughness, ridges, and discoloration for healthier-looking nails
CLINICALLY TRUSTED BY 10 M USERS - Join millions who’ve transformed their nails since 2010
VISIBLE RESULTS WITH CONSISTENT USE - Watch your nails regain clarity and smoothness over time—don’t miss out on the glow-up
PRECISION APPLICATOR FOR EFFORTLESS CARE - Mess-free, targeted daily treatment that fits your busy lifestyle

Kerasal Nail Renewal is a dermatologist-developed restorative treatment featuring urea and lactic acid to exfoliate, hydrate, and smooth damaged nails. Trusted by over 10 million users worldwide since 2010, it targets common nail issues like thickness, ridges, and discoloration with a precision applicator for easy, mess-free daily use. This 0.33 fl oz liquid formula visibly improves nail clarity and texture over time, making it a top choice for professional-grade nail care.

Specifications

ASIN	B007ADOL28
ASIN	B007ADOL28
Best Sellers Rank	#816 in Health & Household ( See Top 100 in Health & Household ) #1 in Nail Fungus Treatments #141 in Sales & Deals
Brand Name	Kerasal
Customer Reviews	4.2 4.2 out of 5 stars (67,307)
Global Trade Identification Number	00857074001613
Item Form	Liquid
Item Type Name	Nail Renewal
Item Weight	0.27 g
Item model number	857074001613N
Liquid Volume	0.33 fluid ounces
Manufacturer	Advantice Health LLC
Manufacturer	Advantice Health LLC
Manufacturer Part Number	40857074001611
Model Number	857074001613N
Number of Items	1
Product Dimensions	0.75 x 3.75 x 5.5 inches; 0.01 ounces
Scent Name	Fragrance free
Size	0.33 Fl Oz (Pack of 1)
Specialty	Damaged Nail Repair
UPC	857074001613
UPC	857074001613

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148.45 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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