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Handling Poor Conditions in UV Gel Nail Polish (Part 5)

Release time:

2026-05-07 23:19

Handling Poor Conditions in UV Gel Nail Polish (Part 5)

Yellowing refers to the yellowish discoloration that occurs in light-colored or transparent gel polishes after curing or following a period of use. This issue is a chemical aging reaction closely linked to curing conditions and product quality. Once yellowing has occurred, it is irreversible; therefore, the primary focus should be on prevention. This article will discuss strategies for preventing yellowing.

I. Preventive Measures Against Yellowing

1. Strictly control the curing time. Follow the curing time specified in the product instructions and do not excessively extend the irradiation time out of concern that curing may be insufficient. Over-curing is the primary cause of yellowing. For equipment with an uncertain curing time, first conduct a test using a fingernail to determine the optimal curing duration—one that ensures adequate curing without causing yellowing.

2. Replace the lamp tubes on a regular schedule. UV lamp tubes gradually degrade during operation, leading to changes in the output spectrum that can accelerate yellowing. Replace the lamp tubes every 3 to 6 months, or use an energy meter to verify that the output meets specifications. LED lamps have a longer service life, but if the LED chips are damaged or the light output declines, they must also be replaced.

3. Choose products with excellent yellowing resistance. UV resistance varies significantly among different resin systems. Prioritize well-regarded brands and carefully check the product specifications for explicit claims of yellowing resistance. White, light-colored, and clear gel polishes are particularly susceptible to yellowing, so pay extra attention when selecting them.

4. Avoid contact with chemicals. After getting your nails done, try to minimize prolonged exposure to hair dyes, certain skincare products, and other chemicals that can accelerate yellowing. If you must handle these substances frequently, wear gloves for protection.

II. Treatment Methods After Yellowing Occurs

Yellowing is irreversible; once it occurs, the original color cannot be restored through polishing or repair. Slightly yellowed nails can still be worn, but the aesthetic appeal is diminished; severely yellowed nails must be removed and redone. After removal, be sure to follow the preventive measures outlined above when applying a new manicure to prevent recurrence of yellowing.

III. Conclusion

The key to managing yellowing lies in prevention, as once it occurs, the discoloration is irreversible. By carefully controlling curing time, regularly replacing the lamp tubes, and selecting products with excellent yellowing resistance, you can largely prevent yellowing in light-colored and clear gel polishes. The effects of excessive curing time and aging lamp tubes are often underestimated, so these two factors must be given due attention.

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.

Bossin 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, excellent adhesion, superior plating performance, and strong hiding power.
B-619W	Aliphatic polyurethane acrylate	Fast curing, high hardness, good toughness, wear resistance, and chemical resistance.
Single Product 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 6)

Handling Poor Conditions in UV Gel Nail Polish (Part 4)