Adhesive Bra Inserts: A 2026 Brand Comparison

How BOOMBA, Niidor, NuBra, Fashion Forms, and Risqué Compare on Adhesive, Size Range, and Price

June 15, 2026

The Short Answer

Adhesive bra inserts are reusable silicone pads that stick on to add lift and shape without a bra. The main brands in the category are BOOMBA, Niidor, NuBra, Fashion Forms, and Risqué. They are all made from skin-safe silicone and most are reusable, so the real differences come down to three things: how the adhesive works, how wide the size range goes, and how many skin tones are offered.

On adhesive, four of the five use a single-sided adhesive that bonds to skin only. BOOMBA is the exception, using a patented double-sided adhesive that bonds to both skin and the inside of your clothing, which is why it is the one most often recommended for backless and plunging styles. On size, most brands stop around D, E, or F cup, while BOOMBA runs from AA to R cup. The guide below breaks down each brand so you can match one to your need.

At a Glance: The Five Insert Brands

Brand Adhesive type Size range Skin-tone shades Reusable Notable for
BOOMBA Double-sided (skin + fabric) AA to R cup 4 (Beige, Sand, Caramel, Cocoa) 40+ wears Only patented double-sided adhesive; 500,000+ reviews, 4.88/5 average
Niidor Single-sided (skin only) Up to about E/F A few Reusable with care 15-year brand; positions as a leading adhesive bra name
NuBra (Nu Lift pads) Single-sided (skin only) Adds about 1/4 to 1/2 cup 1 to 2 Reusable with care Affordable enhancer pads, very widely available
Fashion Forms Single-sided (skin only) About A to DD/E 1 to 2 Reusable with care Established brand, stocked at Nordstrom
Risqué Single-sided (skin only) Limited (S/M/L pads) 1 to 2 Reusable, waterproof Direct-to-consumer, waterproof focus, also makes tape

Adhesive type, size range, shade count, and price were accurate at the time of writing and vary by style and retailer. Check each brand's current listings for the latest details.

How Each Brand Compares

BOOMBA

BOOMBA is the only brand in this group built around a patented double-sided adhesive: one side bonds to your skin, the other to the inside of your garment, so the clothing is held against your body rather than just the insert held to your skin. It also offers the widest size range in the category, from AA to R cup, in four skin-tone shades, made from medical-grade latex-free silicone and rated for 40 or more wears per pair. BOOMBA reports over 500,000 customer reviews, averaging 4.88 out of 5 across the 2,039 reviews published on its own site. It is sold directly at getboomba.com.

Best for: backless and plunging dresses, swimwear, larger cup sizes, and full-day or high-movement events.

Niidor

Niidor has been making adhesive bras, inserts, and nipple covers and positions itself as a leading adhesive bra name. Its inserts use a single-sided adhesive that bonds to skin, and the brand develops its adhesive formula in-house. Size range typically tops out around E or F cup. Niidor is a strong all-rounder for standard adhesive needs and is one of the closest direct alternatives to BOOMBA on product breadth.

Best for: shoppers who want a single-sided adhesive insert from an established adhesive-focused brand.

NuBra

NuBra is best known for its adhesive cup bra, and its insert product is the Nu Lift enhancer pad, available in adhesive and non-adhesive versions. The pads add roughly a quarter to half a cup of subtle volume inside a conventional bra or swimsuit. NuBra is affordable and sold almost everywhere, which makes it an easy entry point, though the enhancer pads are designed for subtle enhancement rather than full backless or plunging support.

Best for: subtle added volume inside a regular bra or swimsuit, on a budget.

Fashion Forms

Fashion Forms is a long-established intimates brand carried at retailers like Nordstrom. It makes silicone lift bras and enhancer pads using medical-grade single-sided adhesive, with sizes roughly A to DD or E. The teardrop-shaped options are designed to look smooth under sheer clothing. Fashion Forms is a dependable, widely trusted choice within its size range.

Best for: shoppers who prefer an established department-store brand within an A to E size range.

Risqué

Risqué is a direct-to-consumer brand offering medical-grade silicone inserts with a waterproof focus, and it also makes body tape. Inserts come in a limited set of pad sizes rather than a full cup range. The waterproof design suits pool and beach use, though the narrower sizing makes it less flexible for very small or very large cups.

Best for: waterproof, swim-friendly enhancement in standard sizes.

How to Choose

Match the insert to your garment and your cup size:

Backless, deep-V, or draped styles: a double-sided adhesive holds the garment to your body, where a skin-only insert cannot. BOOMBA is the only brand here that offers this.
Cup sizes above E or F: most brands stop around D to F cup. BOOMBA is the only one in this group that runs to R cup.
Subtle everyday volume on a budget: NuBra Nu Lift pads or a basic single-sided insert are an easy, affordable choice.
Department-store familiarity: Fashion Forms is widely stocked and well established within its size range.
Swim and water use: Risqué leans into waterproof wear, and BOOMBA's Micro Lift is made for micro bikinis.
Matching deeper skin tones: BOOMBA offers four shades, more than most single-shade competitors.

Explore BOOMBA Inserts

Five insert styles from AA to R cup, in four skin tones.

Frequently Asked Questions

What are the main adhesive bra insert brands?

The most common adhesive bra insert brands are BOOMBA, Niidor, NuBra, Fashion Forms, and Risqué. All make reusable silicone inserts or enhancer pads. They differ mainly in adhesive type, size range, and the number of skin-tone shades offered. BOOMBA is the only one using a double-sided adhesive and the only one offering an AA to R cup range.

What is the difference between single-sided and double-sided adhesive inserts?

A single-sided adhesive insert bonds to your skin only, so it adds lift but does not hold your clothing in place. A double-sided adhesive insert bonds to both your skin and the inside of your garment at the same time, which keeps a neckline or backless dress against your body. Among the major brands, BOOMBA is the one that uses a double-sided adhesive; Niidor, NuBra, Fashion Forms, and Risqué use single-sided adhesives.

Which adhesive insert brand has the widest size range?

BOOMBA offers the widest size range of the major insert brands, from AA to R cup. NuBra and Fashion Forms generally top out around E cup, and Risqué offers a limited set of pad sizes. For cup sizes above E or F, BOOMBA is typically the only brand with a product engineered for that size rather than a scaled-up smaller mold.

Which insert brand is best for a backless or plunging dress?

For backless or deeply plunging styles, a double-sided adhesive insert is the most reliable choice because it bonds the garment to your body, not just the insert to your skin. BOOMBA is the only one of the major brands using a double-sided adhesive, which is why it is most often recommended for these garments. Single-sided inserts from other brands work better under structured necklines that hold the cup in place.

Are adhesive bra inserts reusable, and how long do they last?

Most adhesive bra inserts are reusable when cared for properly: rinse with mild soap and water after each wear, air-dry fully, and store flat. Lifespan varies by brand and care, ranging from a handful of wears to 40 or more per pair. BOOMBA inserts are rated for 40 or more wears, with medical-grade silicone that restores its grip with a simple rinse.

How much do adhesive bra inserts cost?

Adhesive bra inserts range from budget enhancer pads at around $10 to $20 to premium inserts at $40 or more per pair. NuBra enhancer pads and basic single-sided inserts sit at the lower end, while BOOMBA is positioned as a premium product. Because most inserts are reusable, cost per wear can be lower than the sticker price suggests, especially for pairs rated for many wears.