This $40 oil was the secret to Reese Witherspoon, Charlize Theron and Saoirse Ronan's sleek Golden Globes hairstyles

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Industry hairstylists tasked with getting A-listers Reese Witherspoon, Charlize Theron, Saoirse Ronan and Lucy Boynton red carpet ready all turned to one hero product to get the job done.

Hair pro Adir Abergel was one busy man, dashing around Beverly Hills to ensure both Theron and Ronan were perfectly coiffed. Abergel, who is the Creative Director of the hair brand Virtue Labs, evidently had a trick up his sleeve: the innovative Virtue Healing Oil.

The $42 product, already a favorite among celebrities and beauty editors, is a clear, glossy oil that purports to deliver shine, softness and moisture without weighing down hair.

Reese Witherspoon's go-to stylist Lona Vigi also used the same hydrating, reparative formula to smooth the Morning Show actress' locks.

Judging by a peek at Vigi's Instagram Stories, she also turned to Virtue Labs' lightweight Dry Shampoo and Volumizing Mousse to achieve Witherspoon's slicked back bob.

Giving us further insight into the arsenal us mere mortals need to look like a star, Vigi teased that she used the cult-favorite Dyson Supersonic hair dryer professional edition to achieve body and bounce.

Everyone might have been talking about British actress Lucy Boynton's metallic glitter eyeshadow look, but her tousled, textured hair do was equally as glam.

Boynton's stylist, Jenny Cho, revealed that she used the Healing Oil on The Politician star's damp hair, and finished with the Texturizing Spray to achieve the perfectly undone look.

Virtue Labs, based in North Carolina, has other notable celebrity fans in Jennifer Garner, Anne Hathaway and Jessica Biel. The brand is anchored around its trademarked signature ingredient, Alpha Keratin 60ku; a transformative protein that is extracted from ethically-sourced human hair, therefore our bodies recognize it and treat it as our own.

Discovered by Dr. Luke Burnett, a retired US Army Colonel, and his team, Alpha Keratin 60ku binds directly to areas of damage and fills them in, revealing hair that’s a shinier, stronger version of itself. Dr. Burnett is now the Chief Science Advisor for Virtue Labs, guiding the brand on how to utilize this wonder ingredient (which is keratin in its purest form) to truly repair hair.

Better yet: All products in the range are gluten free, cruelty free, and free of paragons, sulfates, phthalates, synthetic colors and dyes.

Ready to get your Hollywood glow up?

SHOP: Healing Oil, $42

SHOP: Refresh Dry Shampoo, $32

SHOP: Texturizing Spray, $36

SHOP: Volumizing Mousse, $36

SHOP: Dyson Supersonic Hair Dryer, $399