It’s very common to get yellow nails from nail polishes. That’s because many nail polishes on the market these days are made with harsh chemicals and dyes that leave stains on your nails.
You could choose to use an base coat before applying nail polish to help minimize this effect but it’s a time consuming task.
Prolonged use of nail polishes with strong chemicals can also have an negative effect on your health. Therefore, it’s best to use nail polishes that wouldn’t yellow-stain your nails, doesn’t require an undercoat before application and is safe for your body.
List of Top 5 Best Non-Toxic, Non-Yellowing Nail Polishes:
Anjou Nail Polish 
It peels off pretty easily which saves your nails from harsh nail polish removers. It doesn’t leave any stains on your nails.
If you are in hurry, the polish has a quick drying time of approximately 3 minutes, making it super handy for work and school. This nail polish is odor free and there is 12 different colors to choose from. It is safe for pregnant women.
BONTIME Nail Polish 
It is water based, only takes about 90s to dry and can last up to 3 days. You don’t need any UV lamps or nail polish removers.
The product is odorless. It only comes in 5 colors but they added bottle of clear top coat in the package which is a nice touch.
Karma Organic Natural Nail Polish
This polish is chip-resistant, durable, and non-yellowing.
The product is backed by it’s US based company which will offer you 100% money back if you don’t like the product for any reason. Karma Organic nail products are safe for those with allergies and sensitive skin.
Cote Toxin Free Nail Polish
It doesn’t leave any strains. Although this one is a great polish for your yellow nails, I’ve ranked it 5th here because it is not odorless.
However, the odour is not as strong as other polishes making it easy to work with. There are 23 colors to choose from and each bottle is good sized (0.4oz). Great value nail polish!
Piggy Paint Nail Polish
There are no harsh chemicals like Formaldehyde, Toluene, DiButyl Phthalate (DBP), Formaldehyde resin, Bisphenol A, ethyl acetate or Camphor that might do more damage to your nails.
Furthermore, this product comes in a variety of colors, so odorless and is safe to use in pregnancy.
The solution dries to a hard shell finish, giving your nails added protection. If I had to choose in this list, I would say that the Piggy Paint Nail Polish is the best nail polish for yellow nails.