Duplex Base & Top Coat (2025)

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Duplex Base & Top Coat (1)

Duplex Base & Top Coat (2)

Duplex Base & Top Coat (3)

Duplex Base & Top Coat (4)

Duplex Base & Top Coat (5)

Duplex Base & Top Coat (6)

Prime & protect, all in one

12 ml / .4 fl oz

4.7

Rated 4.7 out of 5 stars

107 Reviews

Regular price$20.00

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Duplex Base & Top Coat (13)

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Duplex Base & Top Coat (14)

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Double the duty, double the fun—made possible by the ultimate 2-in-1. Perfect for minimalists or any beauty devotee who wants to simplify their routine, this multitasker is specifically designed to do two jobs at once. Use it to prep your nails prior to polish application, then finish your look by locking in color to prevent chipping or fading. It’s breathable at every layer, shiny at dry-down, and extends the life of your polish for longer wear-time without chipping or fading.

Duplex Base & Top Coat (15) Duplex Base & Top Coat (16) Duplex Base & Top Coat (17)

  • 2-in-1 formula doubles as a base and top coat
  • Primes nail plate to create a smooth and even base for lakur
  • Locks in polish with a high-shine shield that prevents fading, chipping, peeling, and breakage
  • Ideal for: beauty minimalists, saving space while traveling, or streamlining your at-home nail kit

All Nail Types

KEY INGREDIENTS

  • Nitrocellulose forms a protective shield and gives nails a plush yet breathable, high-shine finish

INGREDIENTS

Ethyl Acetate, Butyl Acetate, Nitrocellulose, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Isopropyl Alcohol, Sucrose Acetate Isobutyrate, N-Butyl Alcohol, Benzophenone-3, Trimethylpentanediyl Dibenzoate, Perfluorodecalin, Dimethicone, Trimethylsiloxysilicate, CI 60725

THIS PRODUCT IS

  • 21+ Free
  • Breathable
  • Certified Vegan
  • Cruelty Free
  • Gluten Free
  • Paraben Free
  • Phthalate Free

Apply a thin, even layer to bare nails. Once the first layer has set, apply 1-2 coats of lakur as desired. Let the polish dry for 10-15 seconds.

Apply Duplex Base & Top Coat once more, this time over polish to seal in color as a top coat. Follow with Accelerating Drying Oil to speed up dry time. If desired, add a fresh layer of top coat at first signs of wear to further extend the life of your mani-pedi.

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Regular price$20.00

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Duplex Base & Top Coat (18)

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4.7

Rated 4.7 out of 5 stars

Based on 107 reviews

5

Rated out of 5 stars

92

Total 5 star reviews: 92

4

Rated out of 5 stars

8

Total 4 star reviews: 8

3

Rated out of 5 stars

3

Total 3 star reviews: 3

2

Rated out of 5 stars

Total 2 star reviews: 0

1

Rated out of 5 stars

4

Total 1 star reviews: 4

93%would recommend this product

107 reviews

  • ND

    Nicole D.

    I recommend this product

    Pros Gentle, Performs as Described, Exceeds Expectations, Would Purchase Again

    Rated 5 out of 5 stars

    1 year ago

    High Shine

    I love this Duplex Base and Top Coat ! I applied this every 4 days and my nail color lasted me 10days without any chipping. On the 13 days I removed it. I used thin coats.

    Was this helpful?

  • PS

    Pam S.

    Verified Buyer

    I recommend this product

    Age Range 65+

    Pros Exceeds Expectations, Would Purchase Again, Performs as Described, Conditions

    Rated 5 out of 5 stars

    2 years ago

    Great for nails!

    I'm in love with your product. Goes on smooth, my nails have never looked better!!!

    Was this helpful?

  • LK Duplex Base & Top Coat (24)

    Lesley K.

    Verified Buyer

    I recommend this product

    Age Range 55 - 64

    Pros Conditions, Gentle, Performs as Described, Would Purchase Again

    Rated 5 out of 5 stars

    2 years ago

    Better than the others.

    Love the shine and no chipping!

    Was this helpful?

  • CB

    Carmen b.

    Verified Reviewer

    I recommend this product

    Age Range 45 - 54

    Pros Gentle, Exceeds Expectations, Would Purchase Again, Performs as Described

    Rated 5 out of 5 stars

    3 years ago

    Lakur base coat and top coat

    Love this 2 products it dries well and it lasts for a good week using ur hands and 2 weeks if u r on vacation doing nothing. The best product I have ever come across a an Esthetician.

    Was this helpful?

  • PC

    perla c.

    Verified Buyer

    I recommend this product

    Pros Would Purchase Again, Exceeds Expectations, Performs as Described

    Rated 5 out of 5 stars

    5 days ago

    Amazing

    It worked

    Was this helpful?

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Duplex Base & Top Coat (2025)

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