If you've looked closely at the ingredient list on a numbing cream and spotted epinephrine next to the lidocaine, it's a fair question: why is a numbing cream for tattoos also formulated with what's essentially adrenaline? It's not filler, and it's not there by accident. Perfso Tattoo Numbing Cream is formulated with both 5% lidocaine and 1% epinephrine, and the second ingredient does real work.
What Epinephrine Actually Does in a Numbing Formula
Epinephrine is a vasoconstrictor — it narrows the blood vessels in the area where it's applied. On its own, it doesn't numb anything. What it does is change how the numbing ingredient around it behaves once it's on the skin.
Lidocaine and Epinephrine: A Combination With a Long History
Pairing a local anesthetic like lidocaine with epinephrine isn't a new idea invented for tattoo products. It's one of the most common combinations in medicine — dentists have used lidocaine with epinephrine for decades during procedures, and it shows up in minor surgical settings for the same reason it shows up here: the vasoconstriction changes how the anesthetic behaves at the application site.
A Vasoconstrictor Tattoo Numbing Cream Behaves Differently Than a Plain One
In a vasoconstrictor tattoo numbing cream, the narrowed blood vessels slow how quickly the lidocaine moves away from the area it was applied to. In a plain lidocaine-only cream, the anesthetic disperses into the bloodstream faster, which can mean the numbing effect fades sooner. With epinephrine in the mix, more of the lidocaine stays concentrated where you actually need it.
Why a Numbing Cream That Reduces Bleeding During Tattooing Matters to Artists
The same vasoconstriction that helps hold the anesthetic in place also does something artists notice directly: it reduces local blood flow at the site, which means less bleeding during the tattoo itself. Less bleeding makes it easier for an artist to see the line work clearly while they're tattooing, which is part of why some artists have a preference for numbing creams that include it.
What This Looks Like in Perfso's Formula
Perfso Tattoo Numbing Cream is formulated at 5% lidocaine plus 1% epinephrine. That combination is less common than a plain lidocaine-only cream — most numbing creams on the market skip the epinephrine altogether, which is part of what makes the formulation worth explaining rather than assuming everyone already knows what it's for.
Who Should Be Careful With This Combination
Epinephrine affects blood vessels and heart rate, not just the local application site. If you have a heart condition, high blood pressure, or you're on medication that interacts with vasoconstrictors, talk to your doctor before using a numbing cream that contains epinephrine — the same way you would with any topical product that includes an active cardiovascular ingredient.
*This article is general information about how these ingredients work and isn't medical advice. Check with your doctor before use if you have a heart condition, are on medication, are pregnant, or have sensitive skin, and always follow your tattoo artist's guidance during your session.*
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