Can I use this or Hard as Nails?

I preferred this as I have both. My nails are super thin and brittle and Diamond is harder than the Hard as Nails. And it takes less product of this than Hard as Nails because the second is thicker more polish likw. This is more liquid and quicker to dry completely

can I use this over gel nail polish

Yes you can, but for it to work (strengthen the nail) it should be used directly on the nail

How does this compare to the sally hansen mega strength hardener?

hardener worked for a while and not so muchy. try both

i have a split that grows out lengthwise and wont let me play guitar the way i want. Can this help?

You won't know until you try it, but my guess is, it would help if you kept the nail trimmed.

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Sally Hansen Diamond Strength Instant Nail Hardener 14 ml (並行輸入品)

Sally Hansen Diamond Strength Instant Nail Hardener 14 ml (並行輸入品)

Product ID: 725194004

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Details

Brand
Sally Hansen
Color
ダイヤモンド強度硬化剤
Type
base
Item dimensions L x W x H
7.3 x 2.5 x 14
Item Form
液体
Unit Count
14.0 ミリリットル

💎Micro diamond formula for ultimate strength

⚙️Titanium-infused instant bonding

🛡️Shatterproof protective shield

Description

💅 Fortify your nails with diamond-level strength—because your hands deserve the best!

BREAKAGE BE GONE - Prevents cracking, peeling, and ripping to keep nails flawless and resilient.
TITANIUM POWER BOND - Advanced titanium formula locks in moisture and seals fragile nail layers.
INSTANT HARDNESS BOOST - Noticeably harder nails from the first application—no waiting required.
DIAMOND INFUSED STRENGTH - Micro diamond particles reinforce nails instantly for a visibly tougher finish.
MOISTURE LOCK TECHNOLOGY - Keeps nails hydrated to promote healthy, longer growth.

Sally Hansen Diamond Strength Instant Nail Hardener is a 14 ml liquid formula that instantly strengthens and protects fragile nails using a unique blend of titanium and micro diamond particles. Designed to prevent breakage, cracking, and peeling, it creates a virtually shatterproof shield while locking in moisture to promote healthy nail growth. Perfect for professionals seeking durable, flawless nails with a quick, effective application.

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Product Dimensions	7.3 x 2.54 x 13.97 cm; 0.28 g
Item Form	液体
External Testing Certification	Grüner Punkt - ARA (Verpackungskennzeichen)
Target Gender	Female
Color Name	ダイヤモンド強度硬化剤

Sally Hansen Diamond Strength Instant Nail Hardener 14 ml (並行輸入品)

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