**BelRay Thumper Racing Works Synthetic Ester 4T Engine Oil 10W50 1L

**BelRay Thumper Racing Works Synthetic Ester 4T Engine Oil 10W50 1L

Marsoni

M251S

$49.00

Get it in 3 business days with 1 day shipping. Friday, May 29

**BelRay Thumper Racing Works Synthetic Ester 4T Engine Oil 10W50 1LLuicant Selector Bel Ray Thumper Racing Works Synthetic Ester 4T Engine Oil is a 4 stroke synthetic motorcycle racing oil that has been developed for full works competition use and is designed to withstand extreme racing conditions. Full synthetic ester base oils withstand the highest temperatures and stresses and provide the ultimate performance for 4 stroke motorcycles. Meets API SN and JASO MA2 requirements. Suitable for air cooled liquid cooled 4

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I wish I would’ve posted a review PRIOR to the formula changing but just know that I LOVED this serum. I’ve struggled with hormonal acne (PCOS) and eczema for as long as I can remember. Finally, last summer my dermatologist put me on (3) different RX including Spironolactone and Accutane. I was so tired so I stopped everything except for CeraVe cleanser, retinol (Tretinoin) and CeraVe healing ointment. My made up skin routine was working until I used too much Tretinoin and burned my face. I had read great reviews about this product so I thought, I might as well try it — and IT WORKED! I’ve been using this product for almost a year and I loved it. However, 3 weeks ago when I ordered it, I noticed the bottle had a green tint. I could tell after one use that the feel of the serum was different, more watery, not as thick as it used to be. The smell was also different. Still, I kept using it for nearly 2 weeks and I experienced 2 breakouts! Sure enough, I stopped the product and within a few days, my skin was back to normal. I am very upset because as someone who has extremely sensitive skin, this worked but unfortunately, the new formula isn’t for me.

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Reviewed in the United States on May 14, 2026

Verified Purchase

sandraday

Carnegie, US

★★★★★ 5

Not greasy and no fragrance

Style: Updated Formula

Excellent moisturizer for my sensitive skin.

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Reviewed in the United States on May 26, 2026

Verified Purchase

Alice Cooper

Birmingham, US

★★★★★ 5

Great lotion for very dry skin

Style: Updated Formula

I had a laser done on my face and the products they gave me weren't working. This came highly recommended so I gave it a try. I'm very glad I did! It moisturized my face really well without appearing greasy. I used the rest when my face got dry from winter (in th midwest). Felt very rich and smooth. Medium thickness.

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Reviewed in the United States on December 19, 2025