Both CBD and THC interact with the body's endocannabinoid system, a network of receptors that regulates pleasure, pain, stress, and inflammation. When applied topically to intimate tissue, they work locally, not systemically.
CBD's role: Increases blood flow, relaxes smooth muscle, reduces inflammation, and heightens tactile sensitivity. This is what Friday does and it's why people describe it as waking up.
THC's additional role: THC intimacy oil is designed to heighten sensation and support more comfortable, connected moments. When absorbed through the mucous membranes of the vulva and vagina, THC interacts with CB1 receptors in peripheral nerve tissue amplifying the CBD effect with an additional layer of sensory enhancement, euphoric relaxation, and reduced inhibition.
Both cannabinoids produce similar sensations when applied to the genitals, but THC adds a distinct intensification of pleasure that CBD alone doesn't replicate.
The effect is entirely localized. You will not feel high from topical application. What you will feel: warmth, heightened sensitivity, a relaxation that makes it easier to be fully present and sensation that builds rather than plateaus.