SMP pigments, explained.

SMP pigment starts with black, but it needs a corrective mixed for the skin to heal as the color of a follicle. On a shaved scalp, that color is a neutral, slightly warm shadow that takes its tone from the skin around it, never plain black. Most people expect black ink to give them that result on its own, which is why so much work heals a color nobody intended.

A healed impression is not opaque

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Pigment in the skin sits under a living, translucent layer. Your skin’s own color shows through it, and your skin’s color is a ratio of two melanins, eumelanin, which is black-brown, and pheomelanin, which is red and yellow. That ratio is your undertone. Straight black pigment lets it show through unchanged, so on a cool undertone the healed impression drifts grey and then blue, and on skin with more red and yellow in it, it drifts a muddy green. The pigment hasn’t changed; it wasn’t mixed for the skin it went into.

What a corrective additive does

The fix is the same principle painters have used for centuries, which is that a color is cancelled by its complement. A yellow undertone is cancelled by violet. A red undertone is cancelled by green. Undertones between the two take a measured blend of both, and cool undertones are warmed back with amber. The corrective is a small fraction of the mix, roughly a fifth against four fifths black, and where the corrective and the undertone meet they absorb each other into a true neutral, the shade a hair follicle is on that person.

This is the core of Modern Color Theory for SMP. It starts one layer deeper than most color matching, at melanin, and it is why a correctly mixed impression stays the color it healed instead of drifting over the years.

Dilution: value, not just hue

Color is only half the mix. The other half is value, meaning how dark the impression looks, and value is set by dilution. A man with dark hair and a heavy beard takes a deeper value so the scalp carries the same weight as the face. A man going grey takes a lighter mix so nothing on his head is darker than he is. Women’s density work runs lighter and finer still, so the impressions sit invisibly among existing hair. We check the value with the client’s face and scalp side by side in the light of the room, because the two have to agree. The same base pigment, diluted three ways, can match the hair of three different people.

Getting the value wrong is as visible as getting the hue wrong. Too dark looks like a tattoo, and too light disappears in the first year.

Why scalp pigment is its own product

Tattoo pigments are formulated to hold a color for decades at a depth SMP never uses. Cosmetic pigments are formulated for brows and lips, with warm bases that behave unpredictably on a scalp. Neither was built for a shallow, semi-transparent impression that has to heal neutral on every undertone from the palest to the deepest.

The Reclaim and Restore collections were formulated with Perma Blend’s chemists to behave predictably under color theory. They are bases and correctives designed to be mixed to a person’s melanin ratio rather than applied off the shelf, and to hold that color as they soften over the years. Most artists order pigment from a catalogue. These were built to let the artist set the healed color through the mix.

What this means when you are choosing an artist

Ask how the color is chosen. A good answer involves your skin, your undertone and the result being targeted, decided before the first impression goes in and carried through every session. A shade name on a bottle doesn’t tell you how it will heal in your skin.

Ask what happens to the color over time. You are listening for softening, and for the tone staying the same as it softens. If an artist’s healed work shows a blue or green cast in daylight at eighteen months, the pigment was not mixed for the skin, and no machine or technique will have fixed that.

Clients can see the cancellation itself, shown rather than described, on the color theory page. For artists, the formulation and the theory are taught together in the online course and the three-day intensive, because a perfectly placed impression in the wrong color is still the wrong result. If you already have work that drifted, fixing bad SMP covers what a correction involves.

What pigment is used for scalp micropigmentation?

SMP pigment starts with black, but it needs a corrective mixed for the skin to heal as the color of a follicle. Tattoo pigments are formulated to hold color for decades at a depth SMP never uses, and cosmetic pigments have warm bases that behave unpredictably on a scalp, which is why scalp pigment is its own product.

Why does black SMP pigment heal grey or blue?

Because your skin's own color shows through a healed impression. Skin color is a ratio of two melanins, eumelanin, which is black-brown, and pheomelanin, which is red and yellow, and that ratio is your undertone. Straight black lets it show through unchanged, so a cool undertone drifts grey then blue, and skin with more red and yellow in it drifts a muddy green.

What does a corrective additive do in SMP pigment?

It cancels the undertone with its complement. A yellow undertone is cancelled by violet, a red one by green, undertones between the two take a blend of both, and cool undertones are warmed back with amber. The corrective is roughly a fifth of the mix against four fifths black, and where it meets the undertone the impression heals a true neutral.

Sources

• NCBI Bookshelf, Biochemistry, Melanin
• Perma Blend, LUXE Reclaim Set by Sculpted, Stevey G
• Perma Blend, LUXE Restore Set by Sculpted, Stevey G