DND DC Mermaid #240 Sea Shell
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DND DC #240 Sea Shell is a heavenly iridescent crystal holographic gel polish gel polish from DND's premium DC line, poured into gold 0.6 fl oz bottles, sold here as a single bottle.
What you get
- 1 x DND DC #240 Sea Shell gel polish, 0.6 fl oz (18 mL) gold DC bottle
- Gel only: no lacquer in this listing
Why techs stock it
- Separate numbering: DC uses its own shade numbers, so 240 will not clash with a classic DND code.
- Up to three weeks of wear: with DC base, two thin colour coats and DC top, each cured.
- Built for a base coat: DC is designed to sit on DC Base #800, which is what holds it through the wear cycle.
- Glitter finish: glitter sits best under a generous top coat so the surface stays smooth.
Specifications
| Brand | DND (Daisy Nail Design) |
|---|---|
| Line | DND DC Mermaid |
| Shade number | 240 |
| Shade name | Sea Shell |
| Colour family | Multicolor |
| Finish | Glitter |
| Format | gel polish only |
| Bottle size | 0.6 fl oz (18 mL) |
| Gel cure | 30 to 45 seconds under LED, about 2 minutes under UV per colour coat |
| Base and top | DC Base #800 and DC Top #900 No Cleanse |
| Removal | soak-off with acetone |
| SKU | DNDDCM240 |
How to apply the gel
- Prep: clean, shape, push back the cuticle and dehydrate the plate.
- Base: DC Base #800, one thin coat, cured 30 seconds under LED.
- Colour: one thin coat of DND DC #240 Sea Shell, cured 30 to 45 seconds; repeat for the second coat.
- Top: DC Top #900 No Cleanse, cured 30 seconds, no wipe.
Who it suits
- Accent nails: a multi-tone shade looks different at each angle, so show it on a swatch stick first.
- Party and holiday sets, paired with a solid black or white on the other nails.
- Clients who ask for heavenly iridescent crystal holographic gel polish by name or by number 240.
Which option to choose
A glitter gel like DND DC #240 Sea Shell is usually one or two nails in a set, or a full set for holidays and events. It wears on the same DC Base #800 and DC Top #900 as the cream DC shades.
Storing the bottles
Keep gel bottles closed and away from the lamp and from windows, since stray UV can thicken the gel in the neck. Wipe the neck before capping so the lid does not stick.
More to pair with Sea Shell: the DC Mermaid collection, the full DC range and DND, DC and DIVA base and top gels.
Frequently Asked Questions
Is the matching lacquer included?+
No. This listing is the 0.6 fl oz (18 mL) gel bottle only. Use a DC base and top gel with it for the full wear time.
What colour is Sea Shell?+
DND DC #240 Sea Shell is a heavenly iridescent crystal holographic gel polish with a glitter finish. Screens show colour differently, so check a swatch stick against the client's skin before the full set.
How long do I cure each coat?+
Under an LED lamp, cure each thin colour coat 30 to 45 seconds; a UV lamp takes about 2 minutes. Thin coats cure all the way through, thick ones do not.
Which base and top coat should I use?+
DND recommends DC Base #800 and DC Top #900 No Cleanse. DND, DC and DIVA base and top gels are cross-compatible, so any of them will work.

