Synthol, a site enhancement oil (SEO), is a chemical that some “bodybuilders” use in order to make muscles appear enormous. It is composed of 85 percent oil, 7.5 percent benzyl alcohol, and 7.5 …

Synthol (mouthwash), a French brand of liquid painkiller/mouthwash now owned by GlaxoSmithKline Synthetic oil, often referred to by nicknames such as "synthol" and "synthoil"

Jan 14, 2021 · When used for muscle growth, synthol is placed in a syringe and injected deep into the target muscle. Once inside muscle fibers, MCT — the active ingredient of synthol — starts to expand.

Sep 6, 2024 · This process is known colloquially as “fluffing”. Synthol is a mixture of oil (85% - sometimes sesame, walnut, or paraffin), lidocaine (7.5% - a local anaesthetic) and benzyl alcohol …

Taking synthol is a quick and easy way to look big and muscular without actually having to lift weights or be strong! For that reason, it often appeals mostly to younger guys who don’t train properly, or who …

Jul 1, 2025 · Synthol is a site enhancement oil, composed of 85% oil, 7.5% lidocaine, and 7.5% alcohol. It is injected directly into muscles to make them look bigger instantly.

Apr 20, 2025 · Learn about Synthol, a site enhancement oil used by bodybuilders to temporarily increase muscle size. Discover its composition, uses, risks, injection techniques, and legal …

Oct 5, 2020 · Synthol is often marketed online as a "posing oil" to rub all over your body and give your muscles that preferred "shine" during competition. But that's not how bodybuilders typically use it. …

Synthol can be used for two purposes – to increase the size of a synthol muscle or to shape a synthol muscle. Using the biceps as an example, here's how to increase a synthol muscles size:

Nov 25, 2025 · A bodybuilder dubbed “Russian Popeye” is facing the reality of a double amputation after years of pumping biceps with grim cocktails.