Pai-Shau Biphasic Infusion Hair Serum 1 fl oz — Oil-Free Rejuvenating Serum for Shine, Smoothness & Heat Protection

Pai-Shau Biphasic Infusion Hair Serum is an oil-free, daily rejuvenating concentrate that strengthens hair, boosts shine, and helps protect against heat and environmental stressors.

This lightweight, non-greasy serum uses Pai-Shau’s Signature Tea Complex and a patented biphasic delivery system to drive conditioning actives into the hair cuticle. The formula combines antioxidants, amino acids, and moisture-attracting ingredients that work together to hydrate strands, enhance surface smoothness, and provide a sheer protective veil without weighing hair down. Designed for everyday use, it’s suitable for all hair textures and integrates easily into styling routines.

How does this serum improve shine and smoothness?

The Biphasic Infusion restores surface uniformity and reflects light by filling and smoothing irregularities along the hair shaft. The Signature Tea Complex, rich in antioxidants and nourishing nutrients, helps support cuticle health so hair looks glossier and feels silkier after application.

• Lightweight conditioning that won’t leave residue or oil buildup
• Amino acids to help reinforce strand structure and reduce frizz
• Tea-derived antioxidants that help polish and protect cuticles
• Sheer veil that increases light reflection for visible shine

Will it protect hair from heat styling and daily pollution?

The formula provides a thin, protective layer that helps buffer hair from thermal stress and environmental aggressors like pollution and humidity. While it supports styling protection, it should be used with heat-safe styling practices and appropriate tools.

• Thermal-supporting ingredients reduce friction during styling
• Antioxidants help defend against oxidative damage from pollutants
• Evaporative components help maintain moisture balance under heat
• Can be used before blow-drying or flat-ironing as part of heat routines

How do I use the biphasic serum for best results?

Shake the bottle to blend the two phases, then dispense a small amount into your palms and apply to mid-lengths and ends, or to the scalp if extra hydration is needed. Use on damp hair for easier distribution or on dry hair for targeted smoothing and shine; adjust quantity according to hair density and texture.

• Shake to emulsify before each use
• Start with a pea-sized dose; increase for thicker or longer hair
• Apply primarily to mid-lengths and ends to avoid root heaviness
• Reapply lightly between washes if extra smoothing or protection is desired

What makes the Signature Tea Complex special?

The Signature Tea Complex blends multiple tea extracts with vitamins and amino acids to nourish the hair from the cuticle inward. Its composition is designed to attract and lock in moisture while supplying protective antioxidants and restorative nutrients.

• Multiple tea extracts for soothing and antioxidant support
• Vitamins and amino acids to reinforce hair structure
• Binary delivery system to drive actives into the cuticle effectively
• Oil-free format for lightweight, non-greasy conditioning

Who is this for: Pai-Shau Biphasic Infusion Hair Serum is ideal for anyone seeking an oil-free daily treatment that adds shine, smooths frizz, and helps guard against heat and environmental wear. It works well for fine to thick hair, chemically treated or natural textures, and for users who want a lightweight product that layers neatly with other styling or scalp-care products.

Ingredients

Cyclopentasiloxane, Cyclotetrasiloxane, Dimethicone, DimethiconeNinyl Dimethicone Crosspolymer, Water (Aqua), Glycerin,Thymus Serpyllum Extract , Monarda Didyma Leaf Extract, Camellia Sinensis Flower Extract, Camellia Sinensis Leaf Extract, Aspalathus Linearis Extract, Sea Salt (Maris Sal), Phenyl Dimethicone, Caprylyl Glycol, Linalool, Chlorphenesin, Phenoxyethanol, Fragrance (Parfum), Blue 1 (Cl 42090), Yellow 5 (Cl 19140), Red 33 (Cl 17200)