Guides & collections
All tools
Beauty Routine Cost Calculator
Calculate your monthly and yearly skincare and makeup spending. Add products with price and usage to see exact cost per day and per application.
Chemical Peel Recovery Timeline
See the day-by-day recovery stages after a chemical peel. Select superficial, medium, or deep peel depth for a detailed recovery timeline with restrictions.
Color Corrector Guide
Find the right color correcting concealer for your skin concern. Select redness, dark circles, hyperpigmentation, or bruising for color theory guidance.
Contact Lens Replacement Schedule
Track when to replace your contact lenses by type. Daily, 2-week, monthly, and quarterly lens schedules with solution replacement reminders.
Curling Iron Size Guide
Find the right curling iron barrel size for your desired curl style and hair length. Compare barrel diameters for beachy waves, defined curls, and tight ringlets.
Eyebrow Shape Guide
Find the most flattering eyebrow arch and shape for your face shape. Get start/end point guidance, arch height, and filling techniques for oval, round, square, and heart faces.
Eyebrow Tinting Guide
Choose the right brow tint shade for your hair color and skin tone — with processing time reference
Eyeliner Shape Guide
Find the most flattering eyeliner styles for your eye shape with step-by-step application techniques and tips for almond, round, hooded, and monolid eyes
Face Moisturizer Guide
Find the right moisturizer type for your skin type, climate, and concerns. Learn which ingredients to look for and which to avoid.
Foundation Shade Finder
Take a quick 5-question undertone quiz and get matched foundation shade recommendations across popular brands
Fragrance Concentration Guide
Compare Parfum, EDP, EDT, EDC, and body mist — longevity, projection, cost per wear, and which is right for you
Hair Bleach Developer Ratio Calculator
Get the right developer volume and mixing ratio for safe, effective bleaching based on your hair type and desired lift
Hair Color Mixing Calculator
Calculate developer-to-color mixing ratios, processing times, and amounts for at-home hair dye applications
Hair Dye Timing Calculator
Calculate when to re-dye your hair based on color type, last dye date, and growth rate. See how much root growth has occurred and when touch-up is recommended.
Hair Growth Calculator
Estimate how long it will take to grow your hair to your target length based on growth rate, hair type, and trimming schedule
Hair Porosity Protein Treatment Guide
Match protein treatments to your hair porosity level for stronger, healthier hair
Hair Porosity Quiz
Answer 8 questions about your hair to discover your porosity level and get personalized care tips
Hair Type Quiz
Answer 7 questions about your hair to identify your curl pattern (Type 1A through 4C) and get personalized care tips
Lash Extension Aftercare Guide
Day-by-day care schedule to maximize the life of your lash extensions and prevent premature shedding
Lip Filler Cost Guide
Estimate lip filler costs by provider type, city tier, and treatment plan — with realistic price ranges
Lip Shape Guide
Find the best lipstick application techniques for your lip shape. Thin lips, full lips, uneven lips, and more with overline and shaping tips.
Makeup Expiration Calculator
Track when your makeup products expire based on purchase date and product type. Get alerts before mascara, foundation, and lipstick go bad.
Nail Enhancement Removal Time Calculator
Find the correct acetone soak time for your nail enhancement type — gel, acrylic, dip powder, and more
Nail Shape Guide
Take a quick 5-question quiz to discover the most flattering nail shape for your fingers, nail bed, and lifestyle
Perfume Concentration Guide
Compare fragrance concentrations — Parfum, EDP, EDT, EDC, and Cologne. Calculate projected wear time based on type and number of sprays.
Scalp Oiliness Assessment
Answer 8 questions to identify your scalp type and get personalized wash frequency and shampoo recommendations
Skin Barrier Repair Guide
Identify if your skin barrier is compromised and follow a repair protocol with the right ingredients and timeline
Skincare Active Ingredient Compatibility Guide
Find out which skincare ingredients to combine and which to never mix — with AM/PM routine tips
Skincare Routine Builder
Build a personalized AM and PM skincare routine based on your skin type and concerns with product and ingredient recommendations
SPF Calculator
Calculate your recommended SPF level based on skin type, UV index, sun exposure duration, and activities like swimming or sweating
Sunscreen Amount Calculator
Calculate exactly how much sunscreen to apply based on body areas covered. See ml per application, teaspoon amounts, and how long a bottle lasts.
Tanning Minutes Calculator
Calculate safe sun exposure time by Fitzpatrick skin type and UV index — with SPF recommendations
Which Beauty or Skincare Tool Do You Need?
Beauty and skincare decisions work at their peak when they're based on your actual hair and skin characteristics rather than generic advice. These tools help you identify your hair type and porosity, build a skincare routine matched to your skin type, find foundation shades, understand SPF, and choose the right nail and fragrance products.
Understanding Your Hair Type?
Hair care products are formulated for specific hair types and textures, but knowing yours requires more than just looking in the mirror. The Hair Type Quiz identifies your hair pattern (straight, wavy, curly, coily) and texture (fine, medium, coarse) through a series of questions about natural behavior and characteristics. This narrows down which product formulations and styling techniques apply to your hair.
Porosity is often more important than curl pattern for hair care. The Hair Porosity Quiz identifies whether your hair is low, normal, or high porosity — determining how well it absorbs and retains moisture. Low porosity hair repels moisture and needs lightweight products with heat for absorption. High porosity hair absorbs moisture quickly but loses it just as fast, needing heavier sealants and protein treatments. Knowing your porosity changes which conditioners, masks, and oils work for your hair.
For those coloring their hair, the Hair Color Mixing Guide helps you understand developer ratios, tone correction, and color mixing for salon-style results at home.
Building a Skincare Routine?
A skincare routine that doesn't match your skin type can worsen the issues you're trying to address. The Skincare Routine Builder asks about your skin type (oily, dry, combination, sensitive, normal), primary concerns (acne, aging, hyperpigmentation, dehydration), and current routine to recommend a step-by-step morning and evening routine with product type guidance.
Foundation shade matching is one of the most frustrating in-store and online beauty challenges. The Foundation Shade Finder helps you identify your undertone (warm, cool, neutral) and map it to shade ranges across common foundation categories — reducing the guesswork and waste of buying the wrong shade.
Sun protection factor selection matters for actual skin protection. The SPF Calculator shows how long your skin type can realistically stay in the sun with different SPF levels before burning — factoring in your Fitzpatrick skin type and UV index. This helps you choose the right SPF for your activity duration and conditions.
The Nail Shape Guide shows how different nail shapes (round, square, oval, almond, coffin, stiletto) look on different hand and finger proportions — useful before a salon visit to communicate what you want clearly. Fragrance longevity and sillage varies by concentration. The Fragrance Concentration Guide explains the differences between eau de cologne, eau de toilette, eau de parfum, and parfum in terms of oil percentage, longevity, and projection.
Why Skin and Hair Type Identification Matters First
Generic product recommendations fail because skin and hair vary significantly. A moisturizer formulated for dry skin will clog pores on oily skin. A protein-rich conditioner that restores damaged high-porosity hair will cause build-up and stiffness on low-porosity hair. Identifying your type first — with the Hair Type Quiz, Hair Porosity Quiz, or through the Skincare Routine Builder's skin type questions — points you to the right product categories before you spend money on the wrong ones.
The Foundation Shade Finder addresses one of the most frustrating beauty purchase problems: buying a foundation that looks right in the store but wrong in natural light. Undertone is the root of most shade mismatches — warm undertones need foundations with yellow or golden undertones, cool undertones need pink or blue-based foundations, neutral undertones can wear both. The tool walks through undertone identification before recommending shade direction.
For sun protection, the SPF Calculator connects SPF number to real-world protection time for your specific skin type. Fitzpatrick skin type I (very fair, burns easily) gets dramatically less unprotected sun time than type V (dark skin, rarely burns), and SPF multiplies the natural protection time rather than providing a fixed minutes-in-sun number. Understanding this relationship helps you choose the right SPF for your planned outdoor time. All beauty tools run in your browser — your answers and personal information are never sent anywhere.
FAQ
Are these tools free?
Yes, every tool is completely free to use with no signup, no account, and no hidden fees.
Is my personal data safe?
Absolutely. All results are calculated locally in your browser. No personal data is sent to any server.
Do I need to create an account?
No. Every tool works instantly with no registration required. Just open and start using.
How do I know if I have low or high porosity hair?
Take the hair porosity quiz for a guided assessment. A quick DIY test: place a single clean strand of hair in a glass of water. If it sinks quickly, your hair is high porosity. If it floats for a long time, it's low porosity. Normal porosity hair sinks slowly. The quiz gives more reliable results than this single test.
What SPF should I use daily?
Dermatologists recommend SPF 30 as a minimum for daily use, and SPF 50 for extended outdoor time. The SPF calculator shows how long each SPF level extends your natural sun protection time based on your Fitzpatrick skin type — useful for activities like hiking, beach days, or outdoor work.
How do I find my correct foundation undertone?
Look at the veins on your inner wrist: blue or purple veins suggest cool undertones, green veins suggest warm undertones, and blue-green veins suggest neutral. Also consider how you look in white vs. off-white clothing. The foundation shade finder walks through these cues and maps them to product shade ranges.
What is the difference between eau de toilette and eau de parfum?
Eau de toilette (EDT) typically contains 5-15% fragrance oil concentration and lasts 3-5 hours. Eau de parfum (EDP) contains 15-20% and lasts 5-8 hours. Parfum (pure perfume) contains 20-30% and can last 8+ hours. Higher concentration means longer wear and stronger projection but also higher cost.