Cast Forecast
CompareEvidence

17.6% zinc oxide

doTERRA Sun Stick

+4.3 L*

Predicted from the label's 17.6% zinc oxide (FDA label of February 5, 2025) for skin of L* 55. Range 2.0 to 6.7 L*, the model's typical miss on a product it was not fitted on.

By skin tone, lighter to deeper.

  • Skin L* 65+3.4 L*+1.0 L* to +5.7 L*
  • Skin L* 60+3.8 L*+1.5 L* to +6.2 L*
  • Skin L* 55+4.3 L*+2.0 L* to +6.7 L*
  • Skin L* 50+4.8 L*+2.5 L* to +7.2 L*
  • Skin L* 45+5.3 L*+2.9 L* to +7.6 L*