What is a "big 3 polish"?? Thanks in advance :)

What are the Big 3 toxic chemicals? The chemicals they're talking about are Dibutyl Phthalate (DBP), Formaldehyde and Toluene. Seche Vite is not "Big 3-Free". It is free of formaldehyde and dibutyl phthalate (DBP), but does contain toluene, a common solvent. It seems that some solvents and plasticizers used in Big 3-Free products are not compatible with the ingredients in / formulation of Seche Vite (Butter London brand in particular). Seche Vite was the first patented single procedure non-yellowing dry fast top coat for nail polish that dried and protected the underlying nail polish much faster and created a more durable shield than anything else on the market and even to this day. Here's the deal. This product is unique. It is meant to penetrate the layers underneath it, drying them all at once. In fact, the product bonds with the base and color layers, creating one strong coating. Hence its durable nature. Additionally, this top coat self-levels. This means ridges, small polishing gaffes, and shaky application is remedied by the product itself, as it creeps across the surface of the nail and settles evenly, every time. I paint my own nails and have for years. This is the hands-down-best-top-coat-EVER!!! I will honestly never buy anything else again (I do use the base coat as well). Hope this helps!!

Should you apply this to wet polish? And wouldnt it smudge the design?

Why are people answering "no"??? YES, Seche Vite is unique in that it must be applied over WET polish to work. WET!! If it is used over dry polish (or other dry surfaces, whether base coat, top coat, or just your nail), it will end up peeling off and won't do its job. Seche Vite is also known for not smudging nail designs compared to other top coats.Definitely apply over wet polish. But I should say: you don't want your polish to be totally dripping wet so that the Seche Vite brush picks up globs of it or ruins the design. However, I usually just put my color on one hand or even on all 10 nails, and then follow them up with Seche Vite. At that point, the nails are still wet and tacky enough to work, but the design isn't super delicate.

Does this top coat leave a glossy shine to manicure and how long does the shine last?

It does leave a glossy shine in my opinion. I used it about a week and a half ago and they're still shiny. I've been using this product for almost 10 years and I won't use anything else.

does this dry polish that doesnt dry fast? I bought polish from the dollar store and five below. I like them, but they literally take 45min to dry

There is not a better top coat on the market. After applying your last coat of polish, wait 1-2 minutes then apply this topcoat as directed (meaning use a good amount at the base of your nail and pull it up) - it dries within five minutes. I have natural nails and I will reapply this topcoat on Day 3 of my manicure and I get another 3-4 days out of my manicure with no chipping.

ASIN	B00150LT40
Best Sellers Rank	#1,739 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #9 in Nail Polish Top Coat
Customer Reviews	4.6 4.6 out of 5 stars (52,215)
Is Discontinued By Manufacturer	No
Item model number	83100
Manufacturer	Seche
Product Dimensions	0.79 x 0.79 x 1.57 inches; 0.5 ounces
UPC	809217831052

Seche Vite Dry Fast Top Coat

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