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Description
Diode Dynamics H11/H8/H9 White SL2 Pro LED Bulbs (pair)Features Advanced TST LED Technology for industry leading performance. Internal cooling for superior reliability. Fully integrated design, no wires or external drivers. Direct replacement bulb with compact fitment. Backed by limited lifetime warranty. Designed and engineered in USA (Patents Pending). Introducing the SL2 Pro LED Bulb! As a replacement for the popular SL1 LED bulb, the new SL2 Pro LED features some major upgrades: next generation TST
Features Advanced TST LED Technology for industry-leading performance. Internal cooling for superior reliability. Fully integrated design, no wires or external drivers. Direct replacement bulb with compact fitment. Backed by limited lifetime warranty. Designed and engineered in USA (Patents Pending). Introducing the SL2 Pro LED Bulb! As a replacement for the popular SL1 LED bulb, the new SL2 Pro LED features some major upgrades: next-generation TST LED technology, an integrated top-mount fan, and a fully-integrated, wire-free design. As a direct plug-and-play replacement, it provides a significant increase in output, in a compact package. Next-Generation TST Technology. The SL2 Pro features new thermal separation technology (TST) LEDs. TST LEDs are designed with electrical connections on the top which lowers thermal resistance, allowing the SL2 Pro to run at higher power levels than traditional LED bulbs, while maintaining focus. Correct Optical Focus. The SL2 Pro LED bulb was engineered to focus light just like your original bulb, matching the original beam pattern while providing an increase in total output. Instead of using the smallest LEDs possible which can lead to streaks, lines, and harsh cutoffs, the SL2 Pro was optimized to provide a smooth beam pattern, while maintaining focus. Internal Cooling. The SL2 Pro features an integrated top-mounted fan which provides maximum cooling efficiency, superior thermal management and long-term reliability. Since the fan is sealed inside the housing, there's no concerns about damage from dust or moisture over time. NOTE: LED bulbs are legal in the USA for Fog Light use only. Not compliant with DOT / FMVSS108 and not street legal in the USA for Headlights. International legality varies by country.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Leaves Hair Smooth and Shiny
Scent: Argan Oil, Size: 2 Fl Oz (Pack of 1), Scent: Argan Oil, Size: 2 Fl Oz (Pack of 1)
“I really liked this argan oil serum. It helps control frizz and leaves my hair feeling soft, smooth, and shiny without looking greasy. A small amount goes a long way and the scent is very nice. Perfect for dry or damaged hair and great value for the price.”
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great product & it does exactly as advertised
Scent: Keratin, Size: 2 Fl Oz (Pack of 1)
My go to product for heat protection, easy comb thru, detangling, softness & shine. You can use it after a wash & condition , before or after blow drying, & before heat services such as flat iron. It has a nice fragrance , a lightweight feel, & does not feel oily afterwards. You will see & feel a difference in the softness, shine, & body of the hair with the first use. It’s a great product to help maintain & retain hair growth. It even softens the skin on your hands. I love this product & it’s a good value for the price. I highly recommend it.
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Reviewed in the United States on September 23, 2025
★★★★★ 4
Keratin Hair Serum – Heat Protection
Scent: Keratin, Size: 2 Fl Oz (Pack of 1)
This keratin hair serum has a lightweight texture that spread easily through damp hair without feeling greasy. During heat styling, it seemed to smooth strands and left hair looking shinier compared with un-treated sections. The applicator made it simple to distribute the serum from roots to ends without excess product buildup.
In terms of protection, my hair appeared to handle blow-drying and flat-ironing without visible dryness or frizz afterward. It also rinsed out cleanly and did not make hair feel weighed down, which helped keep my overall styling routine manageable.
On the downside, the scent was noticeable and may not suit people who prefer very mild or fragrance-free products. Additionally, while my hair looked smoother, the results were not as dramatic as some higher-end serums I’ve used before.
Overall, this keratin heat-protective serum offers a balance of smoothness and ease of use for routine styling, and it could be a good everyday choice for those looking to add a bit of polish before using heat tools.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Amaizing result
Scent: Rosemary, Size: 2 Fl Oz (Pack of 1)
Amazing Results – My Hair Feels Healthier and Softer!
I’ve purchased this Rosemary & Mint Hair Repair Oil a couple of times now, and I’m genuinely impressed. After just a few uses, my frizz was noticeably reduced, and my scalp felt refreshed. The serum is lightweight, non-greasy, and has a soothing minty scent that makes it feel like a mini spa treatment.
I love that it contains castor and jojoba oil — it really nourishes the ends and adds a natural shine without weighing the hair down. I’ve tried it both as a leave-in and pre-shampoo treatment, and it works great either way.
Also, a little goes a long way, so one bottle lasts quite a while. For the price, this is an excellent hair repair oil, especially for those dealing with dryness, split ends, or thinning hair. Highly recommend!
✅ Great for dry and damaged hair
✅ Refreshing scent
✅ Lightweight and non-sticky
✅ Works well for both men and women
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Reviewed in the United States on June 11, 2025
★★★★★ 5
Very, very, good serum for scalp irritation.
Scent: Scalp Treatment, Size: 2 Fl Oz (Pack of 1)
Thank you to the reviewers for leading me in the right direction. My scalp was going through it. I haven’t reached to scratch my head since the first day I used this serum. The effects last a very long time, even after washing. It’s had positive effects on my hair as well, as far as manageability and growth. It moisturizes without making my scalp shiny and greasy looking and it’s light on my hair. I haven’t had a breakout on my scalp and for that reason this is the only thing that I put in my head right now.
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Reviewed in the United States on March 29, 2026
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