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Gel Nail Polish

Colonel Mustard

4.6
Rated 4.6 out of 5 stars
14 Reviews
Or 4 interest-free payments with
Lasts 2+ weeks without chipping
23,000+ 5-star Gelous reviews
Vegan, cruelty-free & 10-free
Free Gelous Academy access

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When you're looking for something fashion-forward, you can't go wrong with a fresh mustard shade.

Apply pH Bond and Nail Primer if using, followed by your Base Coat, optional Builder Gel, Colour Coat, and Top Coat. Cure each layer under the Gelous UV/LED Gel Nail Lamp for a strong gel manicure that lasts over two weeks!

  1. Prep & dehydrate your nails.
    Optionally, apply pH Bond & Nail Primer.
  2. Apply Base Coat & cure under the Gel Nail Lamp.
    Optionally, apply Builder Gel.
  3. Apply 1-3 coats of Colour Coat & cure each coat under the Gel Nail Lamp.
  4. Apply Top Coat & cure under the Gel Nail Lamp.
  5. Apply Cuticle Oil.

For more detailed guidance, visit our How It Works page or browse Gelous nail tutorials on YouTube.

  • Bottle Size: 10mL.
  • Coverage: Full coverage in 3+ coats.
  • Tone: A light mustard yellow with an orange undertone.
  • Ingredients: Di-HEMA Trimethylhexyl Dicarbamate, Hydroxyethyl Methacrylate, Bis-Trimethylbenzoyl Phenylphosphine Oxide, Hydroxycyclohexyl Phenyl Ketone, Ferric Oxide Hydrate, May Contain: Colour Pigments.
  • Colour Accuracy: Colours may appear differently on screen than in person due to differences in display settings, lighting, and skin tone.
  • Compatibility: Designed to cure with the Gelous Gel Nail Lamp and formulated to work seamlessly with all other Gelous Gel Nail Polish products.
  • Skin Contact: Avoid Gel Nail Polish touching your skin—wipe off immediately if this occurs.
  • UV Protection: Wearing Anti-UV Gloves or applying SPF 15–30 minutes before curing is a simple habit many customers use.
  • Use Gel Nail Polish away from sun and your Gel Nail Lamp when turned on.
  • Wipe bottle rims after use and close lids tightly.
  • Store upright in a cool, dark area with a steady temperature (avoid bathrooms). 
  • Ships within 1–2 business days. Delivered in 1–3 business days within NZ.
  • Free NZ shipping on orders over $100.
  • Pick-up available at our Auckland store—select at checkout.
  • 30-day money-back guarantee on all Starter Kits.
  • For full details visit our Shipping Policy and Returns Policy.

Gel Manicure Results That Last

From smooth prep to chip-free colour and healthy growth—see how long-lasting Gelous gel nails really look.

1

Prep

Smooth, clean nails ready for long-lasting gel adhesion.

2

Paint

Rich, even colour with a glossy, salon-quality finish.

3

Growth

Healthy, chip-free wear that lasts beautifully over time.

4.6
Rated 4.6 out of 5 stars
Based on 14 reviews
93%would recommend this product
Total 5 star reviews: 12 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 1
14 reviews
  • SK
    Sam K.
    Verified Buyer
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Medium
    11 months ago
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Medium
    Rated 5 out of 5 stars
    Gorgeous

    This is my kind of yellow. Like a warm, sunlight yellow. Needs a few coats.

    Colour AccuracyRated 5.0 on a scale of 1 to 5
  • JP
    Jaimita P.
    Verified Buyer
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Brown
    4 months ago
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Brown
    Rated 5 out of 5 stars
    Perfect summer colour

    This is the perfect yellow tone for summer.

    Colour AccuracyRated 5.0 on a scale of 1 to 5
  • EW
    Emma W.
    Verified Buyer
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Cool (pinky with blue/purple veins)
    Skin Colour Light
    1 year ago
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Cool (pinky with blue/purple veins)
    Skin Colour Light
    Rated 5 out of 5 stars
    Accurate colour

    Very bright orangey yellow. Needs two coats

    Colour AccuracyRated 5.0 on a scale of 1 to 5
  • JE
    Jade E.
    Verified Buyer
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Hard Wear
    Skin Tone Neutral (peachy with green/blue veins)
    Skin Colour Light
    1 year ago
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Hard Wear
    Skin Tone Neutral (peachy with green/blue veins)
    Skin Colour Light
    Rated 5 out of 5 stars
    Mmmm Mustard

    I brought this one to use on my friend. It is much nicer in person.

    Colour AccuracyRated 5.0 on a scale of 1 to 5
  • KP
    Kristel P.
    Verified Buyer
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Tan/Olive
    2 years ago
    Level of daily wear on your hands (e.g. washing them a lot, gardening, working with your hands) Regular Wear
    Skin Tone Warm (yellowy with olive/green veins)
    Skin Colour Tan/Olive
    Rated 5 out of 5 stars
    Beautiful colour!

    I absolutely love the colour! It's vibrant and the coverage is great!

    Colour AccuracyRated 5.0 on a scale of 1 to 5

Why Gelous?

Salon-quality gel nails that last 2+ weeks
Free Gelous Academy access from day one
Save thousands on salon visits every year
Vegan, cruelty-free & 10-free formulas
Expert support via live chat & email
13,000+ strong Facebook community

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