Copulins: Pheromone-Like Effects On Male Behavior

Copulins – From The Word “Copulate”

Technical Information

Copulins do not have a CAS number, or molecular weight as the chemicals listed above – they are produced in women’s vaginal secretions and are made up of fatty acids in certain ratios (which was first synthesized by Astrid Jutte).

Known effects from testing and reports

Boost men’s testosterone levels by up to 150% when exposed to it, and heighten men’s desire to copulate when exposed. This is a core ingredient in several excellent female pheromone formulas currently available.

Block a mans ability to judge the attractiveness of a woman objectively. According to some studies conducted by Astrid Jutte and Karl Grammer, men judged women far more attractive when they were exposed to copulins, sometimes even beating more naturally attractive women.

In some cases, small doses of copulins in men’s pheromone formulas can used as “social proof”, in order to convey a subconscious message that the man wearing them recently had sex. Naturally, this attracts more women to the wearer.

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Joe Masters

Founder & Lead Researcher at House Of Pheromones

Joe Masters (a.k.a. "PheroJoe") is a seasoned pheromone researcher and trusted reviewer with over 10+ years of firsthand experience testing attraction products. With a background in biotechnology and behavioral psychology, his in-depth analyses and practical insights have guided thousands of readers toward more informed decisions. Featured across popular fragrance and attraction communities, Joe continues to investigate pheromone science and share transparent, evidence-based advice. Connect to explore his latest reviews and discoveries.

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