Why Stacy Martin’s Waist-Length Mane Is a Case Study in Growing Out Your Hair Inline

  • stacy martin
    Photo: Getty Images
    1/5
  • Viviscal Extra Strength
    Photo: Courtesy viviscal.com
    2/5

    Viviscal Extra Strength, $50 for a one-month supply; viviscal.com

  • David Mallet Le Volume Shampoo
    Photo: Courtesy of shen-beauty.com
    3/5

    David Mallett Shampoo No. 2 Le Volume, $45; shen-beauty.com

  • Shu Uemura Wonder Worker Air DryBlow Dry Perfecto
    Photo: Courtesy shuuemuraartofhair.com
    4/5

    Shu Uemura Wonder Worker Air Dry/Blow Dry Perfector, $33; shuuemuraartofhair-usa.com

  • Rahua Voluminous Dry Shampoo
    Photo: Courtesy rahua.com
    5/5

    Rahua Voluminous Dry Shampoo, $32; rahua.com