| N | Effect | Intervention |
| 5 | 1 | Acne Free |
| 3 | 2 | Acne Free |
| 21 | 3 | Acne Free |
| 15 | 4 | Acne Free |
| 4 | 5 | Acne Free |
| 1 | 2 | Acnetrex |
| 1 | 3 | Acnetrex |
| 1 | 5 | Acnetrex |
| 2 | 3 | AcZone |
| 3 | 4 | AcZone |
| 1 | 1 | African Black Soap |
| 1 | 2 | African Black Soap |
| 13 | 3 | African Black Soap |
| 7 | 4 | African Black Soap |
| 28 | 1 | Aging (improvement after around age 19) |
| 32 | 2 | Aging (improvement after around age 19) |
| 102 | 3 | Aging (improvement after around age 19) |
| 74 | 4 | Aging (improvement after around age 19) |
| 17 | 5 | Aging (improvement after around age 19) |
| 20 | 3 | Air Purifier |
| 1 | 4 | Air Purifier |
| 1 | 5 | Air Purifier |
| 15 | 3 | Aloe Vera Soap |
| 3 | 4 | Aloe Vera Soap |
| 2 | 1 | Alpha Hydroxy Acid |
| 6 | 2 | Alpha Hydroxy Acid |
| 14 | 3 | Alpha Hydroxy Acid |
| 9 | 4 | Alpha Hydroxy Acid |
| 1 | 2 | Amoxicillin |
| 6 | 3 | Amoxicillin |
| 11 | 4 | Amoxicillin |
| 1 | 5 | Amoxicillin |
| 1 | 5 | Amoxicillin |
| 1 | 1 | Antibiotic cream |
| 8 | 2 | Antibiotic cream |
| 48 | 3 | Antibiotic cream |
| 27 | 4 | Antibiotic cream |
| 7 | 5 | Antibiotic cream |
| 2 | 1 | Apple cider vinegar tonic |
| 6 | 2 | Apple cider vinegar tonic |
| 58 | 3 | Apple cider vinegar tonic |
| 8 | 4 | Apple cider vinegar tonic |
| 1 | 5 | Apple cider vinegar tonic |
| 1 | 1 | Aromatherapy |
| 9 | 3 | Aromatherapy |
| 4 | 4 | Aromatherapy |
| 1 | 2 | Aveda Enbrightenment Wash |
| 5 | 3 | Aveda Enbrightenment Wash |
| 1 | 4 | Aveda Enbrightenment Wash |
| 2 | 3 | Aveeno Skin Brightening Daily Scrub |
| 1 | 5 | Aveeno Skin Brightening Daily Scrub |
| 5 | 3 | avoid spicy food |
| 1 | 4 | avoid spicy food |
| 1 | 5 | avoid spicy food |
| 1 | 1 | Avoid touching face |
| 3 | 2 | Avoid touching face |
| 222 | 3 | Avoid touching face |
| 159 | 4 | Avoid touching face |
| 25 | 5 | Avoid touching face |
| 12 | 3 | Avoiding pork |
| 1 | 4 | Avoiding pork |
| 1 | 5 | Avoiding pork |
| 1 | 2 | Azelaic acid (Azelex) |
| 3 | 3 | Azelaic acid (Azelex) |
| 6 | 4 | Azelaic acid (Azelex) |
| 4 | 5 | Azelaic acid (Azelex) |
| 1 | 1 | Bactrim (Trimethoprim/sulfamethoxazole) |
| 1 | 2 | Bactrim (Trimethoprim/sulfamethoxazole) |
| 9 | 3 | Bactrim (Trimethoprim/sulfamethoxazole) |
| 13 | 4 | Bactrim (Trimethoprim/sulfamethoxazole) |
| 6 | 5 | Bactrim (Trimethoprim/sulfamethoxazole) |
| 11 | 1 | Bar soap |
| 28 | 2 | Bar soap |
| 114 | 3 | Bar soap |
| 32 | 4 | Bar soap |
| 4 | 5 | Bar soap |
| 1 | 1 | Benzaclin (Benzoyl peroxide/clindamycin) |
| 4 | 2 | Benzaclin (Benzoyl peroxide/clindamycin) |
| 29 | 3 | Benzaclin (Benzoyl peroxide/clindamycin) |
| 20 | 4 | Benzaclin (Benzoyl peroxide/clindamycin) |
| 5 | 5 | Benzaclin (Benzoyl peroxide/clindamycin) |
| 19 | 1 | Benzoyl peroxide 2.5% |
| 38 | 2 | Benzoyl peroxide 2.5% |
| 150 | 3 | Benzoyl peroxide 2.5% |
| 190 | 4 | Benzoyl peroxide 2.5% |
| 25 | 5 | Benzoyl peroxide 2.5% |
| 2 | 1 | Benzoyl peroxide 10% |
| 6 | 2 | Benzoyl peroxide 10% |
| 18 | 3 | Benzoyl peroxide 10% |
| 37 | 4 | Benzoyl peroxide 10% |
| 4 | 5 | Benzoyl peroxide 10% |
| 1 | 2 | Bert's Bees blemish stick |
| 8 | 3 | Bert's Bees blemish stick |
| 1 | 4 | Bert's Bees blemish stick |
| 2 | 2 | Bert's Bees Cleansing Milk |
| 8 | 3 | Bert's Bees Cleansing Milk |
| 1 | 4 | Bert's Bees Cleansing Milk |
| 1 | 5 | Bikram Yoga |
| 9 | 1 | Birth control pill / Balance hormones |
| 21 | 2 | Birth control pill / Balance hormones |
| 72 | 3 | Birth control pill / Balance hormones |
| 76 | 4 | Birth control pill / Balance hormones |
| 28 | 5 | Birth control pill / Balance hormones |
| 2 | 1 | Blemish potion |
| 13 | 3 | Blemish potion |
| 10 | 4 | Blemish potion |
| 1 | 5 | Blemish potion |
| 3 | 1 | Cetaphil for sensitive skin |
| 16 | 2 | Cetaphil for sensitive skin |
| 99 | 3 | Cetaphil for sensitive skin |
| 38 | 4 | Cetaphil for sensitive skin |
| 6 | 5 | Cetaphil for sensitive skin |
| 2 | 1 | Chemical-free, vegan cosmetics / personal care products |
| 3 | 2 | Chemical-free, vegan cosmetics / personal care products |
| 69 | 3 | Chemical-free, vegan cosmetics / personal care products |
| 24 | 4 | Chemical-free, vegan cosmetics / personal care products |
| 4 | 5 | Chemical-free, vegan cosmetics / personal care products |
| 1 | 1 | Cleanance K by Avene |
| 3 | 2 | Cleanance K by Avene |
| 10 | 3 | Cleanance K by Avene |
| 7 | 4 | Cleanance K by Avene |
| 2 | 5 | Cleanance K by Avene |
| 13 | 1 | Clearasil Stayclear |
| 28 | 2 | Clearasil Stayclear |
| 100 | 3 | Clearasil Stayclear |
| 34 | 4 | Clearasil Stayclear |
| 2 | 2 | Clindamyacin phosphate gel |
| 5 | 3 | Clindamyacin phosphate gel |
| 15 | 4 | Clindamyacin phosphate gel |
| 2 | 5 | Clindamyacin phosphate gel |
| 3 | 1 | Clindamycin 1% dabber |
| 6 | 2 | Clindamycin 1% dabber |
| 41 | 3 | Clindamycin 1% dabber |
| 41 | 4 | Clindamycin 1% dabber |
| 6 | 5 | Clindamycin 1% dabber |
| 2 | 1 | Diane-35 (cyproterone/ethinyl estradiol) |
| 1 | 2 | Diane-35 (cyproterone/ethinyl estradiol) |
| 10 | 3 | Diane-35 (cyproterone/ethinyl estradiol) |
| 11 | 4 | Diane-35 (cyproterone/ethinyl estradiol) |
| 6 | 5 | Diane-35 (cyproterone/ethinyl estradiol) |
| 1 | 1 | Differin Gel |
| 4 | 2 | Differin Gel |
| 15 | 3 | Differin Gel |
| 10 | 4 | Differin Gel |
| 2 | 5 | Differin Gel |
| 3 | 1 | Doryx (Doxycycline) |
| 9 | 2 | Doryx (Doxycycline) |
| 44 | 3 | Doryx (Doxycycline) |
| 43 | 4 | Doryx (Doxycycline) |
| 12 | 5 | Doryx (Doxycycline) |
| 1 | 2 | Dr. Andrew Weil for Origins |
| 8 | 3 | Dr. Andrew Weil for Origins |
| 2 | 4 | Dr. Andrew Weil for Origins |
| 1 | 5 | Dr. Andrew Weil for Origins |
| 17 | 3 | Dr. Hauschka Natural Skin Care |
| 5 | 4 | Dr. Hauschka Natural Skin Care |
| 1 | 5 | Dr. Hauschka Natural Skin Care |
| 20 | 3 | Drink a lot of water |
| 7 | 4 | Drink a lot of water |
| 1 | 5 | Drink a lot of water |
| 3 | 1 | Duac Gel |
| 6 | 2 | Duac Gel |
| 17 | 3 | Duac Gel |
| 15 | 4 | Duac Gel |
| 8 | 5 | Duac Gel |
| 2 | 3 | eliminating comedogenic ingredients from skincare routine |
| 2 | 5 | eliminating comedogenic ingredients from skincare routine |
| 3 | 1 | Emu oil |
| 2 | 2 | Emu oil |
| 4 | 3 | Emu oil |
| 1 | 4 | Emu oil |
| 2 | 2 | Epiduo Gel |
| 4 | 3 | Epiduo Gel |
| 9 | 4 | Epiduo Gel |
| 2 | 5 | Epiduo Gel |
| 2 | 1 | Erythromycin topical solution |
| 1 | 2 | Erythromycin topical solution |
| 30 | 3 | Erythromycin topical solution |
| 19 | 4 | Erythromycin topical solution |
| 1 | 5 | Erythromycin topical solution |
| 3 | 3 | Evening Primrose Oil |
| 1 | 4 | Evening Primrose Oil |
| 4 | 1 | Exercise |
| 37 | 2 | Exercise |
| 127 | 3 | Exercise |
| 38 | 4 | Exercise |
| 7 | 5 | Exercise |
| 1 | 3 | Exuviance Vespera Serum |
| 1 | 5 | Exuviance Vespera Serum |
| 3 | 1 | Flax oil |
| 44 | 3 | Flax oil |
| 6 | 4 | Flax oil |
| 1 | 5 | foot bath with baking soda |
| 3 | 3 | Gamma Linolenic Acid |
| 3 | 4 | Glycolic acid |
| 1 | 5 | Glycolic acid |
| 6 | 3 | having a good skincare routine |
| 4 | 4 | having a good skincare routine |
| 2 | 5 | having a good skincare routine |
| 1 | 3 | Helminthic therapy |
| 1 | 5 | Helminthic therapy |
| 4 | 1 | Honey |
| 2 | 2 | Honey |
| 57 | 3 | Honey |
| 9 | 4 | Honey |
| 4 | 5 | Honey |
| 2 | 1 | Hydrocortisone cream |
| 3 | 2 | Hydrocortisone cream |
| 7 | 3 | Hydrocortisone cream |
| 6 | 4 | Hydrocortisone cream |
| 2 | 5 | Hydrocortisone cream |
| 5 | 1 | Hydrogen peroxide |
| 16 | 2 | Hydrogen peroxide |
| 60 | 3 | Hydrogen peroxide |
| 21 | 4 | Hydrogen peroxide |
| 8 | 1 | Isotretinoin (Roaccutane, Accutane) |
| 7 | 2 | Isotretinoin (Roaccutane, Accutane) |
| 20 | 3 | Isotretinoin (Roaccutane, Accutane) |
| 49 | 4 | Isotretinoin (Roaccutane, Accutane) |
| 73 | 5 | Isotretinoin (Roaccutane, Accutane) |
| 1 | 1 | Jojoba Oil |
| 1 | 2 | Jojoba Oil |
| 3 | 3 | Jojoba Oil |
| 1 | 5 | Jojoba Oil |
| 4 | 3 | Ketogenic Diet |
| 3 | 4 | Ketogenic Diet |
| 3 | 5 | Ketogenic Diet |
| 1 | 1 | Mario Bedescu Drying Lotion |
| 2 | 2 | Mario Bedescu Drying Lotion |
| 9 | 3 | Mario Bedescu Drying Lotion |
| 7 | 4 | Mario Bedescu Drying Lotion |
| 2 | 5 | Mario Bedescu Drying Lotion |
| 6 | 3 | Metrogel |
| 5 | 4 | Metrogel |
| 9 | 1 | Murad AcneComplex |
| 3 | 2 | Murad AcneComplex |
| 23 | 3 | Murad AcneComplex |
| 10 | 4 | Murad AcneComplex |
| 2 | 5 | Murad AcneComplex |
| 9 | 3 | Mychelle clear skin serum |
| 2 | 5 | Mychelle clear skin serum |
| 1 | 2 | N-acetylcysteine |
| 2 | 3 | N-acetylcysteine |
| 2 | 4 | N-acetylcysteine |
| 1 | 3 | No chocolate |
| 1 | 4 | No chocolate |
| 1 | 5 | No chocolate |
| 1 | 1 | No dairy |
| 3 | 2 | No dairy |
| 88 | 3 | No dairy |
| 55 | 4 | No dairy |
| 20 | 5 | No dairy |
| 1 | 2 | No eggs |
| 24 | 3 | No eggs |
| 4 | 4 | No eggs |
| 1 | 5 | No eggs |
| 3 | 1 | No fast food |
| 91 | 3 | No fast food |
| 53 | 4 | No fast food |
| 11 | 5 | No fast food |
| 2 | 2 | No gluten |
| 43 | 3 | No gluten |
| 34 | 4 | No gluten |
| 19 | 5 | No gluten |
| 2 | 1 | No sugar |
| 2 | 2 | No sugar |
| 51 | 3 | No sugar |
| 47 | 4 | No sugar |
| 13 | 5 | No sugar |
| 3 | 1 | Not washing face at all |
| 6 | 2 | Not washing face at all |
| 7 | 3 | Not washing face at all |
| 1 | 5 | Not washing face at all |
| 1 | 1 | OBAGI |
| 2 | 2 | OBAGI |
| 7 | 3 | OBAGI |
| 4 | 4 | OBAGI |
| 2 | 5 | OBAGI |
| 5 | 1 | Oil Cleansing Method |
| 3 | 2 | Oil Cleansing Method |
| 22 | 3 | Oil Cleansing Method |
| 16 | 4 | Oil Cleansing Method |
| 4 | 5 | Oil Cleansing Method |
| 1 | 1 | Ole Henriksen products |
| 3 | 3 | Ole Henriksen products |
| 2 | 4 | Ole Henriksen products |
| 3 | 5 | Ole Henriksen products |
| 4 | 2 | Paleo Diet |
| 22 | 3 | Paleo Diet |
| 39 | 4 | Paleo Diet |
| 15 | 5 | Paleo Diet |
| 1 | 2 | Pantothenic acid |
| 18 | 3 | Pantothenic acid |
| 5 | 4 | Pantothenic acid |
| 3 | 5 | Pantothenic acid |
| 1 | 1 | PhotoDynamic Therapy |
| 2 | 2 | PhotoDynamic Therapy |
| 3 | 3 | PhotoDynamic Therapy |
| 8 | 4 | PhotoDynamic Therapy |
| 2 | 5 | PhotoDynamic Therapy |
| 30 | 3 | Placing clean towel on pillow each night |
| 12 | 4 | Placing clean towel on pillow each night |
| 2 | 5 | Placing clean towel on pillow each night |
| 2 | 1 | Pregnancy |
| 4 | 2 | Pregnancy |
| 5 | 3 | Pregnancy |
| 6 | 4 | Pregnancy |
| 17 | 1 | Proactiv |
| 34 | 2 | Proactiv |
| 99 | 3 | Proactiv |
| 60 | 4 | Proactiv |
| 6 | 5 | Proactiv |
| 6 | 2 | Purpose Gentle Cleansing Bar |
| 25 | 3 | Purpose Gentle Cleansing Bar |
| 9 | 4 | Purpose Gentle Cleansing Bar |
| 8 | 1 | Retin A |
| 23 | 2 | Retin A |
| 64 | 3 | Retin A |
| 73 | 4 | Retin A |
| 28 | 5 | Retin A |
| 1 | 2 | Retinol Oral Supplementation |
| 2 | 3 | Retinol Oral Supplementation |
| 2 | 4 | Retinol Oral Supplementation |
| 1 | 5 | Retinol Oral Supplementation |
| 1 | 2 | Rosac |
| 4 | 3 | Rosac |
| 2 | 4 | Rosac |
| 1 | 5 | Rosac |
| 6 | 1 | Rubbing Alcohol |
| 23 | 2 | Rubbing Alcohol |
| 66 | 3 | Rubbing Alcohol |
| 29 | 4 | Rubbing Alcohol |
| 1 | 5 | Rubbing Alcohol |
| 7 | 1 | Salicylic acid |
| 38 | 2 | Salicylic acid |
| 168 | 3 | Salicylic acid |
| 136 | 4 | Salicylic acid |
| 10 | 5 | Salicylic acid |
| 4 | 1 | Sauna |
| 3 | 2 | Sauna |
| 25 | 3 | Sauna |
| 6 | 4 | Sauna |
| 10 | 1 | Sit out in the sun with the affected area exposed for at least 15 minutes in the day |
| 17 | 2 | Sit out in the sun with the affected area exposed for at least 15 minutes in the day |
| 46 | 3 | Sit out in the sun with the affected area exposed for at least 15 minutes in the day |
| 98 | 4 | Sit out in the sun with the affected area exposed for at least 15 minutes in the day |
| 17 | 5 | Sit out in the sun with the affected area exposed for at least 15 minutes in the day |
| 1 | 1 | Spironolactone |
| 1 | 2 | Spironolactone |
| 6 | 3 | Spironolactone |
| 3 | 4 | Spironolactone |
| 2 | 5 | Spironolactone |
| 5 | 1 | St. Ives Apricot Scrub |
| 23 | 2 | St. Ives Apricot Scrub |
| 100 | 3 | St. Ives Apricot Scrub |
| 33 | 4 | St. Ives Apricot Scrub |
| 2 | 5 | St. Ives Apricot Scrub |
| 1 | 1 | Stievia-A Cream 0.025% |
| 1 | 2 | Stievia-A Cream 0.025% |
| 4 | 3 | Stievia-A Cream 0.025% |
| 4 | 4 | Stievia-A Cream 0.025% |
| 1 | 5 | Stievia-A Cream 0.025% |
| 2 | 1 | Sulfur Powder |
| 1 | 2 | Sulfur Powder |
| 8 | 3 | Sulfur Powder |
| 11 | 4 | Sulfur Powder |
| 1 | 5 | Sulfur Powder |
| 1 | 1 | Tazorac |
| 1 | 2 | Tazorac |
| 5 | 3 | Tazorac |
| 6 | 4 | Tazorac |
| 2 | 5 | Tazorac |
| 12 | 1 | Tea tree oil |
| 24 | 2 | Tea tree oil |
| 142 | 3 | Tea tree oil |
| 54 | 4 | Tea tree oil |
| 8 | 5 | Tea tree oil |
| 10 | 1 | Tetracycline |
| 18 | 2 | Tetracycline |
| 92 | 3 | Tetracycline |
| 90 | 4 | Tetracycline |
| 20 | 5 | Tetracycline |
| 8 | 1 | Toothpaste on acne |
| 22 | 2 | Toothpaste on acne |
| 92 | 3 | Toothpaste on acne |
| 37 | 4 | Toothpaste on acne |
| 1 | 5 | Tretinoin |
| 1 | 2 | Urine therapy |
| 3 | 3 | Urine therapy |
| 1 | 4 | Urine therapy |
| 5 | 2 | Using fresh aloe vera leaves on skin |
| 20 | 3 | Using fresh aloe vera leaves on skin |
| 13 | 4 | Using fresh aloe vera leaves on skin |
| 2 | 5 | Using fresh aloe vera leaves on skin |
| 11 | 1 | Washing face with water only |
| 20 | 2 | Washing face with water only |
| 79 | 3 | Washing face with water only |
| 28 | 4 | Washing face with water only |
| 8 | 5 | Washing face with water only |
| 3 | 3 | Vaccination with individually developed vaccine |
| 1 | 4 | Vaccination with individually developed vaccine |
| 7 | 1 | Vegan diet |
| 5 | 2 | Vegan diet |
| 40 | 3 | Vegan diet |
| 20 | 4 | Vegan diet |
| 6 | 5 | Vegan diet |
| 1 | 3 | Vicco Turmeric Skin Cream |
| 1 | 1 | Vitamin D |
| 3 | 2 | Vitamin D |
| 126 | 3 | Vitamin D |
| 23 | 4 | Vitamin D |
| 4 | 5 | Vitamin D |
| 2 | 1 | Washing face |
| 16 | 2 | Washing face |
| 324 | 3 | Washing face |
| 215 | 4 | Washing face |
| 30 | 5 | Washing face |
| 2 | 2 | Washing face with baking soda |
| 3 | 3 | Washing face with baking soda |
| 1 | 4 | Washing face with baking soda |
| 1 | 5 | Washing face with baking soda |
| 2 | 2 | Washing pillowcases regularly |
| 134 | 3 | Washing pillowcases regularly |
| 78 | 4 | Washing pillowcases regularly |
| 7 | 5 | Washing pillowcases regularly |
| 6 | 3 | White vinegar |
| 6 | 4 | White vinegar |
| 1 | 3 | Ziana (Clindamycin/tretinoin) |
| 1 | 4 | Ziana (Clindamycin/tretinoin) |
| 2 | 5 | Ziana (Clindamycin/tretinoin) |
| 3 | 1 | Zinc |
| 5 | 2 | Zinc |
| 82 | 3 | Zinc |
| 25 | 4 | Zinc |
| 2 | 5 | Zinc |
| 10 | 3 | Zinc cream |
| 8 | 4 | Zinc cream |
| 2 | 3 | Zinc soap |
| 4 | 4 | Zinc soap |