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Back view of a blonde person with combing their fingers through wet hair, attached to an article on Dr. Shereene Idriss’ holy grail hair loss product
  • Products
  • Routines
  • Skin Concerns

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

Smiling woman applying under-eye cream, focusing on reducing dark circles and improving skin appearance
  • Products
  • Skin Concerns

What Causes Dark Circles Under the Eyes

Close-up of niacinamide serum drops on a pink background, illustrating the ingredients benefits in skin care
  • Ingredients
  • Products

What Does Niacinamide Do For Your Skin: The Ultimate Guide

Founder and Dermatologist Dr. Shereene Idriss in silk pajamas showcasing her nighttime skincare routine and favorite product picks
  • Products
  • Routines

A Dermatologist’s Nighttime Skincare Routine & Holy Grail Picks

Glass bottle of Vitamin C serum surrounded by lemon slices in vibrant yellow water, representing its brightening capabilities
  • Ingredients
  • Products
  • Skin Concerns

Vitamin C for Skin Brightening: The Full Guide

Woman generously applying cream on her undereyes, highlighting top treatments for hyperpigmentation
  • Products
  • Skin Concerns

10 Best Treatments For Hyperpigmentation - Tips From A Dermatologist

Amber-hued cleansing oil surrounded by bubbles against an orange background, emphasizing the importance of double cleansing
  • Products
  • Routines

Why is Double Cleansing So Important?

Woman with red hair smiling while wearing gold under-eye patches against a yellow background, featuring article on fine lines and wrinkle prevention
  • Products
  • Skin Concerns

The Difference Between Fine Lines and Wrinkles + The 411 on Prevention

lue and pink bottles with a droppers showcasing serums, representing a Dermatologist’s retinol guide tailored to all budgets
  • Ingredients
  • Products

Retinol for Newbies: A Dermatologist’s Comprehensive Guide (+ The Best Serums and Creams for All Budgets)

A pink-orange gel texture representing vitamin C skincare formulations and the science behind them
  • Ingredients
  • Products

The Formulations of Vitamin C and The Science Behind Them

Glistening cream in water symbolizing the hydrating power of glycerin
  • Ingredients
  • Products

Glycerin Is The Skincare Underdog That Deserves More Hype

Ingredients Glossary

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Bright yellow Arnica flowers in bloom, commonly used for reducing swelling and bruising in skincare

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.
Clear gel texture representing Alpha-Arbutin, a brightening ingredient that reduces melanin production and discoloration

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...
Transparent serum with air bubbles, highlighting 4-Butyl Resorcinol’s role in reducing discoloration and regulating melanin production

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...
tall stalk of light purple Agastache Mexicana flowers with a bee perched on one bloom, symbolizing its antioxidant and anti-inflammatory properties

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.