Skin Nerd Academy
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A comb running through a woman's hair. Read about rice water for hair growth at PillowtalkDerm.
  • Ingredients
  • Routines

Rice Water for Hair Growth: The Age-Old Beauty Ingredient That Does Wonders

Everything You’ve Wanted to Know About Keratosis Pilaris (AKA Chicken Skin)
  • Skin Concerns

Everything You’ve Wanted to Know About Keratosis Pilaris (AKA Chicken Skin)

A No-BS Guide to Sunscreen
  • Ingredients

A No-BS Guide to Sunscreen

5 Signs You’ve Wrecked Your Skin Barrier (And How to Fix It)
  • Skin Concerns

5 Signs You’ve Wrecked Your Skin Barrier (And How to Fix It)

A Derm’s Holy Grail Buys for Hair Thinning, Hair Loss and the Shedding
  • Products
  • Routines
  • Skin Concerns

A Derm’s Holy Grail Buys for Hair Thinning, Hair Loss and the Shedding

Your Intro to Alopecia (And Why it’s Not Created Equal)
  • Skin Concerns

Your Intro to Alopecia (And Why it’s Not Created Equal)

What Causes Dark Circles Under the Eyes
  • Products
  • Skin Concerns

What Causes Dark Circles Under the Eyes

Drops of Niacinamide on a pink background. Learn what niacinamide does for your skin.
  • Ingredients
  • Products

What Does Niacinamide Do For Your Skin: The Ultimate Guide

AM vs PM: A Step by Step Guide to Skincare Layering
  • Routines

AM vs PM: A Step by Step Guide to Skincare Layering

Hyaluronic Acid 101: The Good, The Bad and The Ugly
  • Ingredients

Hyaluronic Acid 101: The Good, The Bad and The Ugly

A woman who is a dermatologist showing off her skin and talking about her nighttime skincare routine.
  • Products
  • Routines

A Dermatologist’s Nighttime Skincare Routine & Holy Grail Picks

Ingredients Glossary

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Arnica (Arnica Montana Flower Extract)

Arnica (Arnica Montana Flower Extract)

This plant extract is traditionally used to help decrease the appearance of swelling and inflammation, as well as the look of bruising. It’s commonly used to expedite healing following in-office procedures, such as injections and lasers.
Alpha-Arbutin

Alpha-Arbutin

A safe and effective ingredient for improving discoloration. Alpha arbutin is a synthesized version of arbutin, a derivative of hydroquinone that’s found in the leaves of plants such as bearberry and cranberry. It works by reducing the activity of tyrosinase (a naturally occurring enzyme that regulates melanin production in...
4-Butyl Resorcinol

4-Butyl Resorcinol

This is a derivative of resorcinol, an ingredient that can be synthesized in a lab or created using extracts of plant resins (PillowtalkDerm products use a lab-created version). 4-Butylresorcinol improves discoloration by inhibiting the activity of tyrosinase (a naturally occurring enzyme that regulates melanin production in the skin), thereby...
Agastache Mexicana Flower

Agastache Mexicana Flower

This species of flowering plant, also known as Hyssop, is an edible flower with an aroma. This ingredient has antioxidant and anti-inflammatory properties that help to calm visible skin redness.