The Learning Lab

Does zinc oxide sunscreen expire?

By Kari Kenner November 14, 2020 |

Yes, zinc oxide sunscreen can expire, but not in the way most people think. The zinc oxide mineral itself is highly stable. It does not break down in sunlight the way many chemical sunscreen filters can. But a finished sunscreen product is more than zinc oxide. It also contains oils,...

Shea Butter for Babies: 6 Ways It Naturally Protects Sensitive Skin

By Kari Kenner September 22, 2020 |

Ancient history tells of West Africans using jars of rich shea butter to protect and nourish their skin and hair. Today, shea butter is still one of the most trusted ingredients for dry, delicate, and easily irritated skin. Shea Butter for Babies is especially helpful because baby skin is thinner,...

20 Benefits of Vitamin C

By Kari Kenner September 09, 2020 |

We started Waxhead to find a better way to protect the skin in the sun. In designing our Antioxidant Bites, Vitamin C quickly became a must-have ingredient, simply because of the amazing things it does to defend skin from UV rays. We wondered, what are the other benefits of Vitamin C? So here’s...

What’s wrong with avobenzone sunscreens?

By Kari Kenner August 17, 2020 |

With a rising global temperature and increased awareness of the risks associated with sun exposure, the use of sunscreens has never been more critical. However, not all sunscreens are created equal. Many popular products on the market contain avobenzone, a controversial ingredient that has come under scrutiny for potential health...

Understanding Non Nano Zinc Oxide

By Kari Kenner August 13, 2020 |

What's the difference between non-nano zinc oxide and nano-sized zinc oxide in sunscreen? The answer can be complex. Non-Nano Zinc Oxide (not small) Non-nano particles are much larger and more consistent in size than nano-sized particles. These large particles do not seep through skin pores and so do not...

Is Non-nano Zinc Oxide Reef Safe?

By Kari Kenner August 12, 2020 |

Non-nano zinc oxide does not damage or adversely affect wildlife or water habitats or the animals that use them. It is marine and reef safe. Zinc Oxide Non-irritating and easy on sensitive skin, zinc oxide has been used in skincare for 1000s of years. A skin protectant widely used...