This hydrating powerhouse can hold up to 1,000 times its weight in water.
What is Hyaluronic Acid?
This acronym on your sunscreen bottle measures protection against UVB rays.
What is SPF (Sun Protection Factor)?
This skin type is characterized by an overproduction of sebum, often leading to shine and larger pores.
What is Oily Skin?
This is the very first step of a nighttime routine, especially if you’re wearing makeup or SPF.
What is Cleansing?
This handheld tool, often made of jade or rose quartz, is used to "sculpt" the face to promote lymphatic drainage and relieve muscle tension.
What is a Gua Sha?
Derived from Vitamin A, this "gold standard" ingredient is famous for anti-aging and acne treatment.
What is Retinol?
Most dermatologists recommend a minimum SPF level of this number for daily use.
What is 30?
This skin condition, often confused with "dryness," is actually a lack of water, not a lack of oil.
What is Dehydration?
As a general rule, you should apply your products from this consistency to thickest.
What is Thinnest (or Watery)?
In the viral "Glass Skin" trend, this specific type of animal secretion is often used in serums for its intense repairing and hydrating properties.
What is Snail Mucin?
This B3 vitamin helps visibly minimize enlarged pores, tighten lax pores, and improve skin tone.
What is Niacinamide?
The "Two-Finger Rule" suggests applying two strips of sunscreen to these two fingers to cover the face and neck.
What are the index and middle fingers?
If your skin is oily in the T-zone but dry on the cheeks, you have this skin type.
What is Combination Skin?
This technique involves using an oil-based cleanser followed by a water-based cleanser.
What is Double Cleansing?
These wearable devices use specific wavelengths of light (usually red or blue) to treat acne or boost collagen production.
What are LED Face Masks?
These lipid molecules are found naturally in the skin and help form the skin barrier to retain moisture.
What are Ceramides?
These are the rays responsible for aging (wrinkles), while "B" rays are responsible for burning.
What are UVA rays?
This is the medical term for the "skin barrier" that protects against bacteria and moisture loss.
What is the Acid Mantle (or Moisture Barrier)?
This trendy term refers to applying a thick layer of petroleum jelly (like Vaseline) as the final step to "lock in" moisture.
What is Slugging?
This "pimple-patch" material was originally used in medical settings for wound healing before it became a staple for shrinking whiteheads.
What is Hydrocolloid?
This antioxidant, often found in serum form, brightens skin and protects against environmental stressors but is notoriously unstable.
What is Vitamin C?
Unlike chemical filters, these two mineral ingredients sit on top of the skin to reflect UV rays.
What are Zinc Oxide and Titanium Dioxide?
A chronic inflammatory condition characterized by facial redness, swollen bumps, and visible blood vessels.
What is Rosacea?
Salicylic acid is the most common example of this type of chemical exfoliant, which is oil-soluble and deep-cleans pores.
What is BHA (Beta Hydroxy Acid)?
This 4-night routine involves rotating between an exfoliant night, a retinoid night, and two recovery nights to prevent irritation.
What is Skin Cycling?