Body sculpting has its own vocabulary. Whether you are researching treatments for the first time or comparing clinics, understanding what these terms actually mean helps you ask better questions and avoid misleading claims. This glossary covers the terms you are most likely to encounter in the UK — in alphabetical order, in plain English.
For a broader introduction to how these treatments work together, see the body sculpting guide UK or the cornerstone overview.
A–C
Adipose tissue — The medical term for body fat. Adipose tissue stores energy and is found beneath the skin (subcutaneous fat) and around organs (visceral fat). Non-surgical body sculpting treatments target subcutaneous fat only.
Aftercare — The steps a client follows after a treatment session to support results. Typical aftercare for cavitation and RF includes drinking 1.5–2 litres of water, avoiding alcohol for 24 hours, and light movement to support lymphatic drainage.
BBL (Non-Surgical) — A non-surgical Brazilian Butt Lift uses vacuum therapy to lift, firm, and enhance the appearance of the buttocks without implants or fat transfer surgery. It is an aesthetic treatment, not a surgical procedure. See non-surgical BBL.
Body contouring — A broad term for treatments that reshape or redefine the body’s silhouette. Often used interchangeably with body sculpting, though “contouring” sometimes emphasises defining muscle lines as well as reducing fat volume. See non-surgical body contouring.
Cavitation (ultrasound cavitation) — A non-invasive treatment using low-frequency ultrasound waves to disrupt the membranes of fat cells in a targeted area. The fat cell contents are released into the interstitial fluid and cleared by the lymphatic system over 48–72 hours. Multiple sessions are needed; results are gradual and vary. See ultrasound cavitation and RF guide.
Cellulite — A structural skin condition in which fat beneath the skin pushes against connective tissue, creating a dimpled surface appearance. It is extremely common and affects people of all body types. Treatments such as wood therapy and RF can improve the appearance of cellulite but do not permanently remove it.
Course of treatment — A planned series of sessions (typically 6–12) designed to achieve a progressive result. Body sculpting technologies work cumulatively; a single session rarely produces visible change.
CPD-accredited — A qualification or training course that meets Continuing Professional Development standards recognised in the UK. When a practitioner’s training is CPD-accredited, it has been assessed against a defined benchmark of knowledge and safe practice.
D–L
Dermal remodelling — The process by which collagen and elastin fibres in the dermis reorganise in response to heat or mechanical stimulation. Radio frequency treatments trigger dermal remodelling, which gradually firms and tightens the skin.
Erythema — A temporary redness of the skin, commonly seen after RF or cavitation. It indicates increased circulation to the area and usually settles within a few hours.
Fibrosis (post-surgical) — Dense scar tissue that can form after liposuction or other surgical procedures. Post-surgical lymphatic drainage massage is often recommended to soften fibrosis and improve healing; medical clearance is required before starting.
Frequency (radio frequency / RF) — In the context of body sculpting, radio frequency refers to electromagnetic energy delivered to the skin and underlying tissue to generate controlled heat. This heat stimulates collagen production and can reduce the appearance of loose skin. RF is often combined with cavitation in a single session.
Infrared — A form of light energy sometimes incorporated into body sculpting devices to promote circulation and support tissue warming. Lipo laser devices often use infrared wavelengths.
Lymphatic drainage massage — A gentle, rhythmic massage technique designed to stimulate the lymphatic system and encourage the movement of lymph fluid through the body. It is used in body sculpting to help the body clear waste products released during cavitation, and is also used post-surgically and for general wellbeing. See lymphatic drainage massage.
Lymphatic system — A network of vessels and nodes that carries lymph fluid, waste products, and immune cells through the body. An efficient lymphatic system is important for processing the debris released when fat cells are disrupted during cavitation.
Lipo laser (low-level laser therapy / LLLT) — A treatment using low-level laser or LED light to temporarily increase the permeability of fat cell membranes, allowing their contents to be released. It does not destroy fat cells; the released fatty acids must be cleared through the lymphatic system. Results depend on post-treatment activity and hydration.
M–R
Maderotherapy — See wood therapy.
Metabolic rate — The speed at which the body burns energy. Body sculpting treatments are not a substitute for lifestyle changes that improve metabolic rate. Clients are advised to stay active and hydrated to maximise how efficiently the body clears released fat cell contents.
Modality — A general term for a treatment technology or technique. A therapist who offers multiple modalities (such as cavitation, RF, lipo laser, and wood therapy) can combine approaches in a single session or course.
Non-invasive — A treatment that does not break the skin. All non-surgical body sculpting techniques are non-invasive. This distinguishes them from liposuction, which requires incisions.
Non-surgical — A treatment performed without surgery, anaesthesia, or medical intervention. Non-surgical body sculpting carries no surgical risks and requires no recovery period.
Radio frequency (RF) — See Frequency (radio frequency / RF) above.
Results (gradual) — Non-surgical body sculpting results develop over weeks to months as the body processes released material and collagen remodelling occurs. Visible changes are typically seen after 3–6 sessions, with full results assessed after a complete course.
S–W
Skin laxity — The degree to which skin has lost its firmness or elasticity. RF treatments are commonly used to improve the appearance of mild-to-moderate skin laxity on the face and body.
Subcutaneous fat — Fat stored directly beneath the skin, above the muscle. This is the type of fat targeted by non-surgical body sculpting techniques such as cavitation and lipo laser.
Suitability consultation — An assessment with a trained therapist to confirm that a client is appropriate for a given treatment, and to discuss goals, medical history, and expected outcomes. At Wumi Body & Face Studio, consultations are £20, last 30 minutes, and are required before starting any treatment. Clients must be 18 or over.
Transducer — The handheld device head that delivers ultrasound waves to the skin during cavitation. Different transducer frequencies are suited to different tissue depths and treatment areas.
Vacuum therapy — A technique using suction cups to lift, stretch, and stimulate the skin and underlying tissue. Used in non-surgical BBL to lift and shape the buttocks, and in some lymphatic drainage protocols to encourage fluid movement.
Visceral fat — Fat stored around the internal organs, deep within the abdominal cavity. Non-surgical body sculpting treatments do not target visceral fat; only subcutaneous fat (beneath the skin) is accessible with surface-based technologies.
Wood therapy (maderotherapy) — A manual body sculpting technique using contoured wooden tools to apply pressure, knead, and mobilise fat deposits and connective tissue. It can improve the appearance of cellulite, stimulate lymphatic drainage, and help contour specific areas. No heat or electricity is involved. See wood therapy.
Using This Glossary
If you encounter a term at a clinic or in marketing materials that is not listed here, ask the therapist to explain it in plain English before booking. Reputable practitioners will always welcome that question.
Wumi Body & Face Studio offers non-surgical body sculpting, lymphatic drainage massage, wood therapy, and more — all delivered by Toyin Adewumi, certified via Curvology Academy (CPD-accredited) and fully insured. To discuss which treatments may suit your goals, book a consultation or get in touch.
Non-surgical treatments have no downtime, but results build gradually and vary between individuals. Not a weight-loss or medical service. A consultation and suitability check are required; you must be 18 or over.