$ cat molecule-index.md
# Molecule Index
> Same ingredient. Different brand. Different country. Different price.
Source-backed medicine price notes for the drugs we can verify now; ingredient-first index for the rest.
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Supreme Nourish And Smooth Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Men Advanced Series Pure Sport Old Spice Lotion/Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Bare Minimal Ingredients Itchy Scalp Relief Serum Liquid
Pyrithione Zinc · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Clinical Strength Cooling Itch Relief Lotion/Shampoo
Selenium Sulfide · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Clinical Strength Cooling Itch Relief Shampoo
Selenium Sulfide · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Dry Scalp Complete Hydration 2in1 Shampoo
Pyrithione Zinc · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Clinical Strength Dandruff Defense Advanced Oil Control Lotion/Shampoo
Selenium Sulfide · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Clinical Strength Dry Scalp Rescue Shampoo
Selenium Sulfide · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Men Coastal Tide Lotion/Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Dry Scalp Care Dual Pack Kit
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Supreme Nourish And Smooth Conditioner Lotion
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Classic Clean Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Mentimber Old Spice Lotion/Shampoo
Pyrithione Zinc · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Clinical Strength Dry Scalp Rescue Shampoo
Selenium Sulfide · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Men Vanilla And Amber Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Men Advanced Series Full And Thick Lotion/Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders 2in1 Men Advanced Series Swagger Old Spice Lotion/Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Bare Minimal Ingredients Itchy Scalp Relief Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Bare Minimal Ingredients Pure Clean 2in1 Shampoo
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Bare Minimal Ingredients Soothing Hydration Shampoo
Pyrithione Zinc · Oral
Selenium Sulfide o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Clinical Strength Advanced Oil Control Shampoo
Selenium Sulfide · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Dual Pack Green Apple Kit
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Head And Shoulders Supreme Color Protect Conditioner Lotion
Pyrithione Zinc · Oral
Pyrithione Zinc o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Royal Oils By Head And Shoulders Sulfate Free Scalp Care Shampoo
Pyrithione Zinc · Oral
$ cat method.md
Ingredient first, prices second
Now
Index 100,000 drug/package records by active ingredient, brand, route, class hint, source, and risk/price-gap watch signals.
Next
Attach daily country snapshots for US, Canada, UK, India, Mexico, and EU comparator markets.
Later
Track pharmacy-level prices, coupons, cash-pay providers, generic availability, and verified substitution boundaries.