Hair & Skin
Dermatology informed guidance for skin and hair. From building a simple routine to layering actives, treating acne, and supporting hair growth, here is what the evidence supports and what is worth your money.
Skincare & Actives
The core actives that actually work, and how to build a routine without the overwhelm.
Best Retinol: How to Choose and Start OneThe best retinol for you balances strength and tolerance. Start low, go slow, and pair with moisturizer.Read more ›
Best Vitamin C Serum: How to Choose One That WorksA good vitamin C serum comes down to form, concentration, and packaging. Here is what actually matters.Read more ›
Best Sunscreen: How to Choose One You Will Actually WearThe best sunscreen is broad spectrum, at least SPF 30, and one you enjoy enough to apply every day.Read more ›
How to Build a Simple Skincare RoutineSkincare does not need ten steps. Here is a simple, evidence-based routine.Read more ›
How to Layer Skincare Actives Without Irritating Your SkinLayer actives by pH, time of day, and irritation potential. Here is a simple.Read more ›
A Skincare Routine for Aging Skin: What Actually HelpsThe evidence backed core for aging skin is sunscreen, a retinoid, and good.Read more ›
Retinol vs Retinoid: What Is the Difference?Retinol and retinoid sound interchangeable but they are not. Here is what.Read more ›
Retinol vs Bakuchiol: Which Should You Use?Retinol has the deepest evidence for anti-aging. Bakuchiol is a gentler plant.Read more ›
Ceramides Explained: Why They Matter for Your Skin BarrierCeramides are lipids that hold your skin barrier together. Replenishing them.Read more ›
Peptides for Skin: What They Do and What to ExpectPeptides are signaling ingredients that may support collagen and firmness..Read more ›
Niacinamide: What It Does for Your SkinA gentle, well-tolerated skincare ingredient with real evidence. Here is what.Read more ›
Hyaluronic Acid: The Hydration Ingredient ExplainedHyaluronic acid is in countless serums and moisturizers. Here is how it.Read more ›
Vitamin C Serums: What They Do for SkinVitamin C is a skincare favorite for brightness and protection. Here is what.Read more ›
Sunscreen and SPF: What the Numbers MeanSunscreen is the most effective anti-aging step there is. Here is how to.Read more ›Acne & Skin Concerns
Evidence based options for breakouts and common skin concerns.
How to Treat Hormonal Acne: What Actually HelpsHow to Treat Hormonal Acne: What Actually Helps Hormonal acne responds to specific treatments, and the generic acne.Read more ›
Azelaic Acid vs Niacinamide: Which Is Right for Your Skin?Both calm redness and help with breakouts and tone. Azelaic acid is stronger for acne and rosacea; niacinamide is.Read more ›
Salicylic Acid vs Benzoyl Peroxide: Which Is Right for Your Acne?Salicylic Acid vs Benzoyl Peroxide: Which Is Right for Your Acne? Both fight acne, but they work differently, and.Read more ›
Hair Growth
What is proven for hair loss and thinning, and what the popular options really deliver.
Best Hair Growth Supplements of 2026, Compared HonestlyAn honest comparison of the top hair growth supplements, rated on ingredients, evidence, and value, with realistic.Read more ›
Dear Apothecary Follicle Max ReviewA hair support supplement with biotin and nutrients for follicle health. Here is what the evidence shows and why it.Read more ›
Best Hair Loss Treatments for Men: What Actually WorksA detailed, evidence-based comparison of the leading hair-loss treatments for men, minoxidil, finasteride,.Read more ›
Minoxidil vs Finasteride: How Hair Loss Treatments CompareMinoxidil is a topical that stimulates follicles. Finasteride targets the.Read more ›
DHT and Hair Loss: What the Connection Really IsDHT is the hormone behind male and female pattern hair loss. Here is how it.Read more ›
Biotin for Hair Growth: Does It Actually Work?Biotin is in every hair-growth gummy on the market. We look at whether the.Read more ›
Minoxidil for Hair Loss: How It WorksOne of the few hair-loss treatments with real evidence. Here is how minoxidil.Read more ›
Ferritin and Hair Loss: The Iron ConnectionLow ferritin, your iron stores, is linked to hair shedding, especially in.Read more ›
Rosemary Oil for Hair: What the Research ShowsRosemary oil went viral for hair growth. Here is whether the science backs the.Read more ›Collagen & Beauty
A closer look at collagen and beauty supplements.
Best Collagen Supplements of 2026, Compared HonestlyAn honest comparison of the top collagen supplements, rated on form, dose, source, testing, and price.Read more ›
Dear Apothecary Collagen Powder ReviewAn unflavored collagen powder for skin, hair, and joint support. Here is how it compares to the peptides and why it.Read more ›
Collagen Supplements: Benefits, Types, and the EvidenceCollagen powders promise better skin, hair, and joints. We break down what the research actually supports.Read more ›Supplement Reviews
Independent, hands-on reviews of the supplements we compare, including brands we have no relationship with.
Vital Proteins Collagen Peptides ReviewThe best-known collagen powder for skin and joints. Here is our take.Read more ›Dear Apothecary Follicle Max ReviewOur review of Dear Apothecary’s hair support formula.Read more ›Nutrafol Women’s Hair Growth ReviewA premium hair supplement with a high price. Here is our honest take.Read more ›
Sports Research Collagen Peptides ReviewA well-priced, cleanly sourced collagen. Here is our review.Read more ›Dear Apothecary Collagen Powder ReviewOur review of Dear Apothecary’s collagen powder.Read more ›Nature’s Bounty Hair, Skin & Nails ReviewA cheap biotin beauty supplement. Here is what to know.Read more ›
How we put this together
Every guide here is written from the current research, reviewed for accuracy before it goes live, and updated as the science changes. We flag what is well supported, what is still early, and what to talk over with your clinician.
Written from the researchReviewed for accuracyUpdated as science changesPlain language, no hype
This page is for general education and is not medical advice. Supplements are not intended to diagnose, treat, cure, or prevent any disease. Talk with a qualified healthcare professional before starting anything new, especially if you are pregnant, nursing, taking medication, or managing a health condition.