How to Apply 4in1 UV Nail Polish No. 103
By Nail Wraps from Colour Flash - self-adhesive | Published: 2026-10-20
Category: How-to Guides
Learn the beginner-friendly steps to apply 4in1 UV nail polish No. 103. This guide covers prep, one-coat application, curing, and common mistakes to avoid for a lasting at-home manicure.
Quick answer
Start with clean, dry nails, apply a thin coat of 4in1 UV nail polish No. 103, cure under a UV/LED lamp, and finish by wiping off any tacky residue (if present) with isopropyl alcohol. This all-in-one polish combines base, color, and top coat, so you skip the usual layering steps.
Why 4in1 Polish is Ideal for Beginners
Traditional gel manicures require separate base coat, color, and top coat, each needing its own curing step. The 4in1 formula eliminates that complexity by combining all three layers into one bottle. For a beginner, this means fewer products to buy, fewer steps to remember, and less chance of applying a layer too thick or too thin.
The trade-off is that you have less control over each layer. If your nails are very oily or you tend to flood cuticles, a separate base coat might be easier to manage. But for most first-timers, the all-in-one approach reduces the learning curve significantly.
Common Beginner Mistakes to Avoid
The most frequent error is applying the polish too thickly. A thick layer will wrinkle, bubble, or cure unevenly. Another is skipping proper nail prep – even a trace of oil or moisture will cause peeling within a day or two. Finally, beginners often over-cure or under-cure the polish. Follow your lamp's recommended cure time exactly; the 4in1 polish typically needs 60-90 seconds in a 36W UV lamp or 30-60 seconds in an LED lamp.
Step-by-Step Application Process
- Prep Your Nails: Push back cuticles gently, buff the nail surface lightly to remove shine, and wipe each nail with isopropyl alcohol or a lint-free nail wipe to remove dust and oil. Do not use cuticle oil or hand cream before applying. Any oil or moisture left on the nail will cause the polish to lift within 1-2 days.
- Apply a Thin First Coat: Shake the 4in1 UV nail polish No. 103 well. Dip the brush and wipe one side against the bottle neck. Apply a thin, even coat starting from the cuticle area and sweeping toward the tip. Avoid getting polish on the skin or cuticles. Cap the free edge by brushing a tiny amount across the nail tip. A thin coat is key – if you can see visible brush strokes or pooling, you've applied too much.
- Cure Under a UV/LED Lamp: Place your hand under the lamp and cure for the time recommended by your lamp manufacturer (typically 60-90 seconds for UV, 30-60 seconds for LED). Do not move your hand during curing. After curing, the polish should feel hard and dry to the touch. If the polish feels sticky or soft after curing, you may need a longer cure time or a stronger lamp.
- Apply a Second Coat (Optional): For full opacity with No. 103, a second thin coat is often needed. Repeat the application and curing steps. Because the formula is no-wipe, you do not need to clean the surface between coats. Two thin coats give better coverage and durability than one thick coat.
- Finish and Seal: After the final cure, check for any tacky residue. The no-wipe formula should leave a dry, glossy finish. If you do feel a slight stickiness, wipe each nail with a lint-free pad soaked in isopropyl alcohol. Apply cuticle oil around the nail bed to hydrate the skin. Do not use acetone or nail polish remover for the final wipe – it can dull the shine.
Product used in this guide
- UV Nagellack No. 103 (4in1, 10ml): Unser 4in1 UV Nagellack vereint Base Coat, Farbe, Top Coat und eine innovative No-Wipe-Formel ohne Schwitzschicht in nur einem Produkt. You don't need to wipe off a sticky residue after curing, saving one step and avoiding the risk of smudging your fresh manicure.

UV Nagellack No. 103 (4in1, 10ml)
