Peter Thomas Roth Instant FIRMx Glow-Filter Priming Serum — Illuminating, Lightweight 30ml with 5% Actigym Contour

This lightweight serum combines reflective minerals and diamond powder to create an immediate glow-filter effect, plus a 5% Actigym Clinical Contouring Technology complex for longer-term contour definition. Designed to wear alone or under makeup, it hydrates and diffuses imperfections so skin looks smoother, more defined, and ready for a natural or finished-makeup look.

How will this serum change the look of my skin right away?

On application, finely milled illuminating minerals and diamond powder catch and reflect light to reduce the appearance of shadows and uneven texture. The result is an instant brightening and soft-focus finish that makes skin appear more lifted and even-toned without heaviness.

• Reflective minerals and diamond powder deliver immediate luminosity.
• Lightweight, non-greasy texture layers under makeup or wears solo.
• Soft-focus effect minimizes the look of pores and fine lines.

What active ingredients help sculpt and firm over time?

The formula includes 5% Actigym Clinical Contouring Technology, a fermented marine-derived ingredient that targets the appearance of facial contours with daily use. While not a replacement for clinical treatments, consistent application aims to enhance the look of cheeks, jawline, and chin definition over weeks.

• 5% Actigym complex supports visible contouring with repeated use.
• Hydrating base helps skin feel supple and smooth.
• No heavy silicones—designed to blend and absorb cleanly.

Will it work with my makeup routine and on different skin tones?

This priming serum is formulated to be complexion-friendly, blending onto a range of skin tones without leaving an obvious cast thanks to sheer, light-diffusing pigments. It creates a hydrated base that improves makeup longevity and promotes a natural, glow-filtered no-makeup look when worn alone.

• Sheer, buildable coverage complements various skin tones.
• Preps skin for foundation, BB creams, or bare-skin radiance.
• Improves surface smoothness for easier makeup application.

How do I use it for best results?

Apply a small amount to clean, towel-dried skin each morning and gently blend upward toward the cheekbones and jawline. Follow with your moisturizer if needed and allow the serum to set briefly before applying foundation or sunscreen.

• Use daily for cumulative contouring benefits.
• Layer under makeup or wear alone for a luminous finish.
• Target cheeks, chin, and jawline for a sculpted appearance.

Who is this for: Peter Thomas Roth Instant FIRMx Glow-Filter Priming Serum suits anyone seeking instant luminosity plus the look of improved facial definition over time. It is ideal for users who want a hydrating, lightweight primer that enhances makeup wear or provides a polished, glow-filtered bare-skin effect. Suitable for most skin types seeking surface blurring, subtle lift, and long-term contouring support when used consistently.

Ingredients

Water/Aqua/Eau, Glycerin, Butylene Glycol, Isononyl Isononanoate, Citrus Aurantium Bergamia (Bergamot) Fruit Water, Dimethicone, Butyrospermum Parkii (Shea) Butter, Caprylic/Capric Triglyceride, Glyceryl Stearate, Polyglyceryl-6 Distearate, Cetearyl Alcohol, Sorbitan Stearate, Isostearyl Alcohol, Mica, Butylene Glycol Cocoate, Bacillus/Soybean Ferment Extract, Diamond Powder, Niacinamide, Sodium Hyaluronate, Sodium Hydroxide, Citric Acid, Glutamic Acid, Glycine, Histidine, Isoleucine, Leucine, Lysine, Phenylalanine, Alanine, Arginine, Proline, Serine, Threonine, Tyrosine, Valine, Sodium Phytate, Sodium Lactate, Silica, Ethylcellulose, Potassium Sorbate, Sodium Benzoate, Hydroxyethylcellulose, Aspartic Acid, Disodium Phosphate, Polysorbate 60, Sodium Phosphate, Polysilicone-11, Titanium Dioxide, Ethylhexylglycerin, Dimethicone Crosspolymer, Carbomer, Polymethylsilsesquioxane, Iron Oxides/CI 77491, Phenoxyethanol.