i prompted a Face ML Generator Lens called Crystal Skin Formation.
As you hold a neutral expression, gradually growing faceted crystal forms across your skin starting at the cheekbones and temples, spreading further across the face the longer the neutral expression is held.
The crystals should catch and refract light with a subtle rainbow sheen. If you smiles or laughs, it will trigger a shattering animation where the crystals break apart into a sparkle burst and the skin resets to normal, ready to regrow.