growth factor

noun

: a substance (such as a vitamin B₁₂ or an interleukin) that promotes growth and especially cellular growth

Examples of growth factor in a Sentence

Recent Examples on the Web

Formulated with a mixture of peptides and growth factors, the product effectively addresses several aging-skin concerns at once. — Jenny Berg, Vogue, 17 Sep. 2026

It is billed to match Minoxidil’s vascular endothelial growth factor, or VEGF, at three-times lower concentration. — Jennifer Weil, Footwear News, 15 Sep. 2026

In much simpler terms, this nutrient-rich liquid contains growth factors, cytokines, and other proteins that act as messengers, sending signals involved in skin repair and renewal and supporting the production of collagen and elastin. — Emily Orofino, Allure, 15 Sep. 2026

Those consortium factors contain exosomes, natural peptides, cytokines, growth factors, all the beneficial signals that are done in a very holistic way. — Celia Shatzman, Forbes.com, 31 July 2026

Word History

First Known Use

1926, in the meaning defined above

Rhymes for growth factor

• attractor
• cofactor
• compactor
• contactor
• contractor
• distractor
• extractor
• impactor
• protractor
• reactor
• redactor
• refractor

Medical Definition

growth factor

noun

: a substance (as a vitamin B₁₂ or an interleukin) that promotes growth and especially cellular growth