At B FIRM Formulas®, we believe beauty starts from within. Backed by science, our patented plant-based formulas use clinically tested ingredients to firm, lift, and enhance your natural shape. Each active ingredient is supported by research, ensuring visible, measurable results.
Explore the science behind our products and how they support firmness, volume, and elasticity naturally and effectively.
the science behind...
Firming caps
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Volumizing cream
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firming gel
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Firming Caps: Breast Enlargement & Firming
Since first developed in 1997, our Firming Caps has been trusted by thousands of happy users to enhance breast volume and firmness. The formula is based on a unique hops and soy extract complex that mimics the body’s natural hormonal processes, stimulating glandular tissue growth.
Hops Extract – Breast Enlargement & Firmness
Hops (yes, the ones found in beer and bread) are rich in 8-Prenylnaringenin (8-PN), one of the most potent natural phytoestrogens known today. When extracted and consumed, this plant-based compound binds directly to estrogen receptors in the glandular breast tissue, stimulating natural growth similar to the breast development that occurs during puberty. As a result, the glandular tissue cells increase in size and number, leading to fuller, firmer breasts.
Our patented formula is supported by two double-blind clinical trials that demonstrated significant increases in breast volume and firmness, with up to two cup sizes of growth after consistent use. These findings are backed by several independent scientific studies confirming that 8-PN enhances estrogenic activity, promoting natural breast enlargement and firming.
Soy Extract – Breast Elasticity & Firmness
Soy is a natural source of isoflavones, plant-derived compounds that mimic estrogen in the body. The key isoflavones in soy (genistein, daidzein and glycitein) bind to estrogen receptors in breast tissue, amplifying the body’s own hormonal signals. This encourages the growth and expansion of glandular cells, improving breast volume while reinforcing the elasticity and structure of the surrounding skin and connective tissue.
Scientific studies have shown that soy isoflavones support the natural development of glandular tissue, leading to fuller, firmer breasts while also increasing collagen production. This helps maintain skin firmness and suppleness, preventing sagging as the breasts grow. Combined with hops extract, soy extract plays a crucial role in naturally enhancing breast shape and resilience.
Vitamin C – Skin Elasticity & Structural Support
Vitamin C is essential for collagen production, the protein responsible for maintaining skin strength and elasticity. As breast volume increases, collagen helps the skin to remain firm and resilient. It also plays a key role in protecting skin cells from oxidative stress, preserving elasticity and preventing premature sagging.
Scientific research confirms that vitamin C stimulates stronger connective tissue and improved skin structure. Combined with our hops and soy extracts, it helps maintain firmness and definition, ensuring that your enhanced breast volume is supported by smooth, supple skin.
Scientific backing
Please reach out to us via our Contact Us page if you would like to receive a copy of our clinical trials and scientific papers supporting our claims.
Volumizing Cream: Volume & Firmness
Our Volumizing Cream has been developed to naturally enhance volume and firmness in the breasts and bum. The formula is powered by Volufiline® and Kigeline®, two scientifically tested plant-based actives that work together to stimulate fat storage under the skin while reinforcing skin structure, creating visibly fuller and firmer curves.
Volufiline® – Targeted Volume Enhancement
Volufiline® is derived from the Anemarrhena Asphodeloides root, known for its ability to stimulate lipid storage in fat cells. When applied, it binds to adipocyte receptors, triggering natural fat accumulation beneath the skin. This process increases volume in the applied area, resulting in a rounder, fuller appearance.
Clinical studies have shown that consistent use of Volufiline® can lead to an up to 8.4% increase in volume over eight weeks. Unlike hormonal treatments, it works without affecting the body's overall fat distribution, making it a safe and effective solution for natural-looking curves.
Kigeline® – Skin Firmness & Elasticity
Kigeline®, extracted from the Kigelia Africana fruit, is rich in flavonoids and saponins that support collagen production and reinforce skin structure. As volume increases, Kigeline® ensures that the skin remains firm, elastic, and lifted, preventing sagging and enhancing the overall shape.
Studies confirm that Kigeline® strengthens connective tissue and improves skin firmness (by >50%) and elasticity (by 70%), helping to define and support natural volume increases. Combined with Volufiline®, it ensures that fuller curves remain sculpted and firm.
Scientific backing
Please reach out to us via our Contact Us page if you would like to receive a copy of the scientific proof behind our ingredients.
Firming Gel: Firming & Lifting
Our Firming Gel is a scientifically developed formula designed to tighten, firm, and lift the breasts, bum, belly, and legs. Combining Bio-Bustyl™ and Skin Tightener ST®, this advanced gel provides both instant and long-term firming benefits, supporting skin elasticity and structure.
Bio-Bustyl™ – Deep Firming & Collagen Boost
Bio-Bustyl™ is a fermented soy protein complex that stimulates collagen production by up to 350%. Collagen is the key structural protein responsible for skin strength and elasticity. By penetrating deep into the skin, Bio-Bustyl™ helps strengthen connective tissue, reinforcing skin firmness and preventing sagging.
Studies show that Bio-Bustyl™ improves skin elasticity and density, making it an essential component for achieving a firmer, lifted appearance over time.
Skin Tightener ST® – Instant Lift & Toning
Skin Tightener ST® combines Giant Kelp extract and plant-based polysaccharides to provide an immediate tightening effect. When applied, it forms a lifting network on the skin’s surface, visibly firming and sculpting the area within minutes.
Clinical trials confirm that 76% of users experienced noticeable tightening within 10 minutes of application. With continued use, Skin Tightener ST® helps improve skin texture and resilience, ensuring long-lasting firmness and definition.
Scientific backing
Please reach out to us via our Contact Us page if you would like to receive a copy of the scientific proof behind our ingredients.