They are often used interchangeably, however it is best to think of builder gel as the umbrella term for all gels that structure and/or extend the nail. There are few types of builder gels namely hard gel and soft gel. They are are used to strengthen and build nails, but hard gel is more durable and can be filed into shape, while soft gel is usually softer, easier to apply, and self-leveling. All of KAPU gels are hard gels for high durably and wear. This also means they cannot be soaked off and have to be filed down for fills or removal.

If you'd like to learn more about gel products you should join education program KAPU ACADEMY (coming soon).

Yes, all of our nail products are carefully formulated to be safe for use. We recommend following the instructions provided with each product to ensure the best results and avoid any potential irritation. If you have sensitive skin or allergies, please perform a patch test before use. We also will provide MSDS information on our website.

It depends on your needs! structured gel (like KAPU hard gel) is easier to file and a glossier finish, while acrylic is strong, widely available and usually cheaper. Many clients and nail techs all over the world prefer gel for its lightweight feel and no fumes or odor.

Did you know that in most countries outside the U.S., structure gel is the go-to product for nail enhancements?

Not when applied and removed correctly. Damage usually happens from over-filing or improper removal. Always prep properly, and never peel or force gel off!

A Russian manicure is a precise and meticulous dry manicure technique that uses an E-file to gently exfoliate and clean the cuticle area. It creates a clean, elongated nail bed and allows for ultra-precise polish application all without water. It results in a clean, polished look and longer-lasting results. With proper prep and product application, a Russian manicure with hard gel or gel polish can last 3–4 weeks without chipping or lifting.

If you are interesting in learning more please check out KAPU ACADEMY!

Acrylics tend to be harder and more durable, especially for long extensions. However, high quality hard/soft gel can last just as long with proper application and care. Check out our nude selections of premium hard gels!

Both are safe when applied by a trained professional. Gels tend to be more flexible and gentle on the nails, and easier on the professionals body long term because it does not release fumes or have an odor. Because of the fumes, long-term exposure to acrylic products can lead to respiratory issues, skin sensitivity, and allergic reactions due to repeated contact with chemicals like EMA or MMA. Proper ventilation, protective gear, and safe handling can reduce these risks.

Absolutely! Many nail techs and clients switch to hard gel for its lighter feel and glossy finish. Be sure to fully remove acrylic before applying gel to avoid lifting.

Check out the courses in KAPU ACADEMY (coming soon) if you'd like to learn more about working with gels and Russian manicure/pedicure technique.

Yes!—when performed by a properly trained professional with the right tools. We recommend taking our certified course if you're new to the technique at KAPU ACADEMY (coming soon).

Currently, we only ship within the US. Shipping rates and times will vary depending on your location. If you have specific shipping inquiries, please contact us at info@kapugel.com.

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We accept returns within 30 days of receiving your order. Once we receive your return, please allow 5-7 business days for us to inspect the items and process your refund or exchange. We’ll notify you via email once it’s complete.To be eligible for a return, the product must be unused and in its original packaging. We cannot accept returns on opened or used items, except in cases of defects or damages. Please visit our Return Policy page for full details

To initiate a return, simply email us at info@kapugel.com within 30 days of receiving your order. Include your order number, the items you wish to return, and the reason for the return. We’ll send you a Return Authorization (RA) with further instructions.

Once an order is placed, we process it quickly to ensure fast shipping. If you need to make changes or cancel your order, please email us at info@kapugel.com within 24 hours of placing the order. We’ll do our best to accommodate your request, but please note that we cannot guarantee changes after processing begins.

You can reach our customer service team via:

• Email: info@kapugel.com
• Instagram: @kapu_gel

We aim to respond to all inquiries within 24-48 hours.

At this moment we do not offer gift cards but we are working on it and will be very soon! Sign up for our newsletter to stay updated on when!