nail base

These base coats are sold in small polish bottles, typically about 0.45–0.5 fl oz (examples shown: 0.45 fl oz, 0.46 fl oz, and 0.5 fl oz).

Common finishes listed for these base coats include gloss, smooth, natural, and sheer.

These products are described as multi-use: they act as a base coat to prepare nails, can serve as a top coat to add gloss and protection, and may be worn alone as strengtheners or nail hardeners.

Instructions vary by product, but common guidance is: apply one coat of base coat before color (then two coats of color), use 1–2 coats when applying as a top coat, or wear strengthener formulas several times per week as a treatment (examples in listings include using strengtheners 2–3 times weekly).

Reviews commonly report extended polish wear and improved chip resistance; several comments note results lasting about a week or longer, though wear-time varies by product and individual use.