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Approaches to Addressing Defects in UV Gel Nail Polish (Part 1)

Release time:

2026-05-06 17:16

Approaches to Addressing Defects in UV Gel Nail Polish (Part 1)

Cracking is one of the common defects in UV gel nail polish application, characterized by irregular, wrinkle-like patterns on the cured surface. When cracking does occur, adopting the correct remedial measures can minimize losses; meanwhile, implementing effective preventive practices during routine application can fundamentally eliminate the occurrence of cracking. This article will discuss strategies for addressing cracking from two perspectives: preventive measures and post-application treatment.

I. Preventive Measures Against Wrinkling

1. Controlling the coating thickness is key to preventing wrinkles. Apply each layer of gel polish thinly—better to apply two or three thin coats than one thick one. When dispensing product, scrape off any excess from the brush tip against the bottle opening, leaving just enough gel to form a slight “bead.” During application, gently glide the brush from the nail root toward the tip, without trying to achieve full coverage in a single pass. Developing this habit requires deliberate practice, but once it becomes second nature, the incidence of wrinkling will decrease.

2. Regularly inspect the condition of the curing equipment. UV lamps should be replaced every 3 to 6 months, or their output should be checked with an energy meter to ensure it meets specifications. For LED lamps, periodically check the LED beads for damage. Curing time must be strictly adhered to according to the product instructions and should not be shortened arbitrarily. Curing times may vary depending on the brand and color of the gel polish; darker shades require a slightly longer curing time.

3. Maintain product compatibility. Whenever possible, use base coats, color gels, and topcoats from the same brand and the same product line, as their formulations have been tested for compatibility and exhibit well-balanced shrinkage rates and curing characteristics. If mixing products from different brands is necessary, conduct a small-scale test first to ensure there is no wrinkling before applying them over a larger area.

II. Post-Occurrence Treatment Methods for Wrinkling

1. Treatment for mild wrinkling. If the wrinkled area is small and the degree of wrinkling is light, gently sand the wrinkled layer smooth with a sponge file, brush off the dust with a dust brush, and then reapply the topcoat. This method is suitable for repairing minor surface wrinkles and eliminates the need to completely remove the existing coating and start over.

2. Handling severe wrinkling: If the wrinkled area is extensive and the wrinkles are deep, sanding alone will not suffice; the entire nail extension must be removed and redone. Soak the nails in nail polish remover to soften the gel, then use a steel pusher to completely remove all gel material, before applying a new layer according to the standard procedure. Do not attempt to apply a new layer directly over the wrinkled surface—this will neither restore smoothness nor improve the overall finish, and it will only increase the thickness of the coating.

III. Conclusion

The key to addressing wrinkling lies in prevention, not remediation. By carefully controlling coating thickness, conducting regular inspections of curing equipment, and ensuring product compatibility, these three preventive measures, when properly implemented, can largely eliminate the problem of wrinkling. If wrinkling does occur, minor defects can be sanded out and repaired, while severe cases require removal and reapplication. Simply applying a new adhesive layer over the wrinkled area is not an effective repair method; it will only complicate the issue further.

Disclaimer: The above content has been compiled from public sources for reference only; if any infringement occurs, please contact us and we will address it promptly.

Boxing Recommended Products – UV Gel Nail Polish
Base coat
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-02H	Phosphate ester acrylate monomer	Enhance adhesion to substrates such as metal, glass, and plastic.
B-2016	Polyester acrylate	High molecular weight, excellent flexibility, strong adhesion, and low heat release
B-2018	Aliphatic polyurethane acrylate	Good adhesion, good flexibility, and water resistance.
Colored tape
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-151DM	Modified epoxy acrylate	Low halogen, yellowing resistance, excellent plating performance, and strong adhesion.
B-162	Epoxy acrylate	Fast curing, low odor, high gloss, and high fullness.
B-166A	Modified epoxy acrylate	Good flexibility and strong adhesion
B-166A-85	Modified epoxy acrylate	Good flexibility, excellent adhesion, contains 15% HEMA
B-166A-85P	Modified epoxy acrylate	Good flexibility, excellent adhesion, contains 15% HEMA
B-27	Active amine photosensitizing promoter	Low color number, benzene-free, low odor, antioxidant and anti-polymerization
B-296	Aliphatic polyurethane acrylate	Fast curing, chemical resistance, yellowing resistance, and impact resistance.
Extended glue
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-210D	Aliphatic polyurethane acrylate	Fast curing, low heat release, and excellent toughness.
T-2022D	Aliphatic polyurethane acrylate	Non-stick, low heat generation, strong adhesion, high hardness
Sealant glue
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-376	Aliphatic polyurethane acrylate	LED yellowing is minimal, and the nail polish formulation exhibits excellent stability.
B-412T-6	Aliphatic polyurethane acrylate	Good toughness, tin-free, and excellent stability of the nail polish formulation.
Matte Sealing Layer
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-328M	Aliphatic polyurethane acrylate	Low gloss, low viscosity, excellent wettability, and a pleasant hand feel.
B-328R	Aliphatic polyurethane acrylate	Low gloss, excellent matting, good wetting, and a fine, smooth, and silky hand feel.
B-329D	Aliphatic polyurethane acrylate	Low irritation, low viscosity, excellent wettability, and a pleasant feel.
One-step adhesive
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-315	Aliphatic polyurethane acrylate	Wear and chemical resistance, high hardness, toughness, and yellowing resistance.
A-grade film
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-113	Bisphenol A epoxy acrylate	High hardness, high gloss, high fullness, containing 20% TPGDA.
B-216	Aliphatic polyurethane acrylate	Fast curing, high build, and excellent toughness
B-268M	Aliphatic polyurethane acrylate	Good flexibility, good adhesion, good plating performance, and excellent hiding power.
B-619W	Aliphatic polyurethane acrylate	Fast curing, high hardness, good toughness, wear resistance, and chemical resistance.
Individual Recommendation
Product Model/English Abbreviation	Product Name/Product Type	Product Features
BM1211 (HPMA)	Hydroxypropyl methacrylate	HEMA-free, high strength, low irritation, high adhesion

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Handling Poor Conditions in UV Gel Nail Polish (Part 2)

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