Specialty Gel Polish

P1 Mercury

$20 USD

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Cold - Dark purple sparkle, solid finish
Hot - Rose pink sparkle, solid finish

PHASES is a colour changing three-step gel polish formula requiring use with BSG Base and Top. Colours change in hot and cold temperature for two looks in one. 

Individual Size: 15 mL (0.50 fl.oz)


Enjoy a traditional gel polish manicure with our 3STEP Colour Gel Polish! Achieve salon-quality like nails in the comfort of your own home.

1. Prep your nails: lightly buff nails and cleanse with 70%+ alcohol to remove oils and dusts. Wait for nails to dry completely. No primers, bonders or heavy sanding required.

2. Apply a thin coat of base gel polish. 3STEP is optimized for use with our Base-1 Gel Polish or Base Sculpting Gel. Cure for 30 seconds in LED lamp or 60 seconds in UV lamp. Note: base gel will always remain tacky even after curing.

3. Apply a thin coat of 3STEP Gel Polish and do not cap the free edge. For best gel colour application always shake well before use and paint in thin layers. 

4. Cure for 60 seconds in LED lamp or 120 seconds in UV lamp. Our 3STEP Gel Polish is optimized for use with our U-Light Pro 6. For all other lamps, we recommend to double the cure time.

5. Repeat steps 3 & 4 until coverage and desired opacity is reached.

6. Apply a thin coat of top gel polish. 3STEP is optimized for use with our No-Wipe Top Gel Polish or Top Sculpting GelCure for 60 seconds in LED lamp or 120 seconds in UV lamp.

Click here for full 3STEP manicure instructions

View #BSGMercury on Instagram to see this shade as worn by our #BSGSquad!

See more shades of #BSGPurple and #BSGPink

Tag your #bioseaweedgel photos for your chance to be featured on our page:
1. Tag us @bioseaweedgel and #bioseaweedgel
2. Tag the colour name #BSGColourName
3. Tag the colour shade #BSGColourShade

Customer Reviews

Based on 7 reviews
this is a great new polish

I am in love with this color changing polish everyone that sees it is amazed beautiful color

So pretty!

I love this polish! The application is nice and even and the colour is so beautiful! I love the ombré effet it gives when my hands are in between warm and cold! I have gotten so many compliments on it!

Good day Nathalie,

Thank you for taking the time to review P1 Mercury.

We are so happy to hear you love it!

a perfect combination of burgundy and pink

i love color changing polish and the combination of purple and pink is beautiful thats for sure. the color is not overwheling on both ends.

Two colors in one!

The prettiest color changing gel shade!

Andrea Luke
I adore this colour changing polish

I bought 3 different shades of the colour changing gel polish, and I wish I could justify ordering more! I love how my manicure always looks a little different, depending on the length of my nails and ambient temperature

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