AGAINand againAND AGAIN.
These are the formulas clients return to. Built in the treatment room. Proven through use.
These formulas rise to the top
because clients come back.
Built to be repeated The Collection(6)
The Systems.
Start here.
The fastest way to use the bestsellers is in sequence. Start with the foundational system, or choose the focused entry that matches where your skin is now.
The bestselling daily sequence: cleanse, activate, hydrate, seal, and finish.
The cleanser-first hydration entry: cleanse without stripping, add water, then seal it in.
Daily vitamin C plus THD vitamin C finish. For tone, glow, and visible brightness.
"A bestseller list can be a popularity contest. Ours is not. These formulas are here because clients who have tried everything else come back to them. That is the metric that matters."
The layering order
Lightest to richest. Always.Cleanse, activate, hydrate, seal, finish, protect. The bestsellers work because each step prepares the next.
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1
Cleanse
Gentle CleanserRemoves buildup without stripping.$48
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2
Activate
XO EssenceCalms, hydrates, and prepares skin.$40
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3
Hydrate
Hydrate SerumAdds water-binding hydration.$78
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4
Boost
XO SerumAdvanced exosome support for resilience and recovery.$95
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5
Seal
Recovery CreamRepairs the barrier and locks support in.$35
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6
Finish
Protect OilTHD vitamin C finish for glow and resilience.$78
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7
Protect
Shield SPF 35+Protects the result every morning.$62
These formulas earned repeat use because they solve the steps most routines miss: cleanse without stripping, hydrate deeply, repair the barrier, and finish with protection.
Barrier-safe cleansing prevents the disruption that makes every other step work harder.
Water-binding hydration improves comfort, smoothness, and how well skin reflects light.
Recovery Cream holds hydration and support in place so results last longer.
Protect Oil adds lipid-phase vitamin C support, glow, and a treatment-level finish.
Start where your skin is now.













