Oil-Based Thickening Hair Serum
ACTIIV Thickening Hair Serum transforms your daily routine into a targeted scalp care ritual — designed to strengthen follicles, optimize scalp, and visibly improve hair density. Its clean, oil-based formula absorbs instantly, delivering nourishment and n
- Creates thickness appearance
- Adds body
- Nourishes hair
Pro Tip
Apply to damp hair focusing on roots and mid-lengths, then blow dry for maximum thickening effect.
Start with wet or dry hair Using the precision dropper, apply 1 full dropper directly onto areas of focus — typically along the hairline, crown, or areas experiencing thinning. Part the hair to expose the scalp and distribute evenly with fingertips. Massage gently for 30–60 seconds to help evenly spread the serum. Do not rinse — this leave-in formula is designed for full absorption. Allow a few minutes for the serum to absorb fully before styling. For best results, use daily.
Key Ingredients
- Thickening Agents (volume)
- Nourishing Oils (conditioning)
Free shipping on orders $150+
Orders ship within 1–2 business days. Standard delivery takes 2–5 business days.
30-day returns
Unopened products in original packaging may be returned within 30 days. Customer is responsible for return shipping.
100% authentic
Every product is sourced directly from authorized distributors. Professional-grade, guaranteed genuine.
| Studio 1 Beauty | Ulta | Amazon | |
|---|---|---|---|
| Retail Price | $38.40 | $38.40 | $38.40 |
| First Order | 10% off | — | — |
| 10% Back as GLOW Bucks | 10% back ($3.84) | 3% ($1.15) | — |
| Your Value | $34.56 | $37.25 | $38.40 |
| Free Shipping | Over $150 | Over $35 | Free (Prime) |
| Returns | 30 days | 60 days | 30 days |
| Personalized for You | ✓ | — | — |
First order: 10% off + 10% back with GLOW Bucks (free to join). Every order after: 10% back as GLOW Bucks — real dollars you can redeem at checkout, never expire.






