diff --git a/HTMLKit.playground/Pages/Sanitizing HTML.xcplaygroundpage/Contents.swift b/HTMLKit.playground/Pages/Sanitizing HTML.xcplaygroundpage/Contents.swift
new file mode 100644
index 0000000..c335388
--- /dev/null
+++ b/HTMLKit.playground/Pages/Sanitizing HTML.xcplaygroundpage/Contents.swift	
@@ -0,0 +1,29 @@
+
+import HTMLKit
+
+HTMLSanitizingPolicy { (builder) in
+	builder
+		.allowCommonBlockElements()
+		.allowCommonInlineFormattingElements()
+		.allowElements(["p", "div"])
+		.allow(HTMLElementPolicy.identity(), onElements: ["b", "p"])
+		.allow(HTMLAttributePolicy.init(), onElements: [])
+		.disallowText(inElements: ["a"])
+}
+
+HTMLElementPolicy { (str) -> String in
+	return str
+}
+
+
+HTMLSanitizer { (builder) in
+	builder
+		.allowCommonBlockElements()
+		.allowCommonInlineFormattingElements()
+		.allowElements(["p", "div"])
+		.allow(HTMLElementPolicy.identity() , onElements: ["b", "p"])
+		.allow(HTMLAttributePolicy.init(), onElements: [])
+		.disallowText(inElements: ["a"])
+}
+
+
diff --git a/HTMLKit.playground/contents.xcplayground b/HTMLKit.playground/contents.xcplayground
index 0491d26..d54d9ab 100644
--- a/HTMLKit.playground/contents.xcplayground
+++ b/HTMLKit.playground/contents.xcplayground
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='macos' display-mode='rendered' last-migration='0800'>
+<playground version='6.0' target-platform='macos' display-mode='raw' last-migration='0800'>
     <pages>
         <page name='Intro'/>
         <page name='Parsing Documents'/>
         <page name='Parsing Fragments'/>
         <page name='The DOM'/>
         <page name='CSS Selectors'/>
+        <page name='Sanitizing HTML'/>
     </pages>
 </playground>
\ No newline at end of file
diff --git a/Sources/HTMLSanitizer.h b/Sources/HTMLSanitizer.h
index 412d65e..53d5eb8 100644
--- a/Sources/HTMLSanitizer.h
+++ b/Sources/HTMLSanitizer.h
@@ -7,7 +7,15 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "HTMLSanitizingPolicyBuilder.h"
+#import "HTMLSanitizingPolicy.h"
+
+NS_ASSUME_NONNULL_BEGIN
 
 @interface HTMLSanitizer : NSObject
 
++ (instancetype)sanitizerWithPolicy:(void (^)(HTMLSanitizingPolicyBuilder *))block;
+
 @end
+
+NS_ASSUME_NONNULL_END
diff --git a/Sources/HTMLSanitizer.m b/Sources/HTMLSanitizer.m
index ae761eb..a793e72 100644
--- a/Sources/HTMLSanitizer.m
+++ b/Sources/HTMLSanitizer.m
@@ -7,7 +7,39 @@
 //
 
 #import "HTMLSanitizer.h"
+#import "HTMLTokenizer.h"
+#import "HTMLTokens.h"
+
+@interface HTMLSanitizer()
+{
+	HTMLTokenizer *_tokenizer;
+}
+
+@end
 
 @implementation HTMLSanitizer
 
++ (instancetype)sanitizerWithPolicy:(void (^)(HTMLSanitizingPolicyBuilder *))block
+{
+	HTMLSanitizingPolicyBuilder *builder = [HTMLSanitizingPolicyBuilder new];
+	block(builder);
+	return nil; //[[HTMLSanitizingPolicy alloc] initWithBuilder:builder];
+}
+
+- (instancetype)initWithString:(NSString *)string
+{
+	self = [super init];
+	if (self) {
+		_tokenizer = [[HTMLTokenizer alloc] initWithString:string ?: @""];
+	}
+	return self;
+}
+
+- (void)sanitize
+{
+//	for (HTMLToken *token in _tokenizer) {
+//		
+//	}
+}
+
 @end
diff --git a/Sources/HTMLSanitizingPolicy.h b/Sources/HTMLSanitizingPolicy.h
index 9e563d7..23bad2e 100644
--- a/Sources/HTMLSanitizingPolicy.h
+++ b/Sources/HTMLSanitizingPolicy.h
@@ -8,6 +8,13 @@
 
 #import <Foundation/Foundation.h>
 
+NS_ASSUME_NONNULL_BEGIN
+
 @interface HTMLSanitizingPolicy : NSObject
 
+- (HTMLSanitizingPolicy *)combineWith:(nullable HTMLSanitizingPolicy *)other;
+
 @end
+
+NS_ASSUME_NONNULL_END
+
diff --git a/Sources/HTMLSanitizingPolicy.m b/Sources/HTMLSanitizingPolicy.m
index b411d8c..033306f 100644
--- a/Sources/HTMLSanitizingPolicy.m
+++ b/Sources/HTMLSanitizingPolicy.m
@@ -8,6 +8,29 @@
 
 #import "HTMLSanitizingPolicy.h"
 
+@interface HTMLSanitizingPolicy()
+{
+	NSMutableArray *_policies;
+}
+@end
+
 @implementation HTMLSanitizingPolicy
 
+- (instancetype)init
+{
+	self = [super init];
+	if (self) {
+		_policies = [NSMutableArray new];
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicy *)combineWith:(HTMLSanitizingPolicy *)other
+{
+	if (other) {
+		[_policies addObject:other];
+	}
+	return self;
+}
+
 @end
diff --git a/Sources/HTMLSanitizingPolicyBuilder.h b/Sources/HTMLSanitizingPolicyBuilder.h
index 665903a..a812243 100644
--- a/Sources/HTMLSanitizingPolicyBuilder.h
+++ b/Sources/HTMLSanitizingPolicyBuilder.h
@@ -8,6 +8,32 @@
 
 #import <Foundation/Foundation.h>
 
+#import "HTMLElementPolicy.h"
+#import "HTMLTokenPolicy.h"
+#import "HTMLAttributePolicy.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
 @interface HTMLSanitizingPolicyBuilder : NSObject
 
+- (HTMLSanitizingPolicyBuilder *)allowElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)disallowElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)allowPolicy:(HTMLElementPolicy *)policy onElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)allowCommonInlineFormattingElements;
+- (HTMLSanitizingPolicyBuilder *)allowCommonBlockElements;
+- (HTMLSanitizingPolicyBuilder *)allowTextInElements:(NSArray<NSString *> *)elementNames;
+- (HTMLSanitizingPolicyBuilder *)disallowTextInElements:(NSArray<NSString *> *)elementNames;
+
+//- (HTMLSanitizingPolicyBuilder *)allowAttributes:(NSArray<NSString *> *)attributeName
+//									  onElements:(NSArray<NSString *> *)elementNames;
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributes:(NSArray<NSString *> *)attributeName
+//										 onElements:(NSArray<NSString *> *)elementNames;
+//
+//- (HTMLSanitizingPolicyBuilder *)allowAttributePolicy:(HTMLAttributePolicy *)policy
+//										   onElements:(NSArray<NSString *> *)elementNames;
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributePolicy:(HTMLAttributePolicy *)policy
+//											  onElements:(NSArray<NSString *> *)elementNames;
+
 @end
+
+NS_ASSUME_NONNULL_END
diff --git a/Sources/HTMLSanitizingPolicyBuilder.m b/Sources/HTMLSanitizingPolicyBuilder.m
index 32d8877..7422767 100644
--- a/Sources/HTMLSanitizingPolicyBuilder.m
+++ b/Sources/HTMLSanitizingPolicyBuilder.m
@@ -8,6 +8,87 @@
 
 #import "HTMLSanitizingPolicyBuilder.h"
 
+@interface HTMLSanitizingPolicyBuilder()
+{
+	NSMutableDictionary<NSString *, NSMutableArray<HTMLElementPolicy *> *> * elementPolicies;
+	NSMutableDictionary<NSString *, HTMLAttributePolicy *> * attributePolicies;
+	NSMutableDictionary<NSString *, NSNumber *> * textContainers;
+}
+@end
+
 @implementation HTMLSanitizingPolicyBuilder
 
+- (HTMLSanitizingPolicyBuilder *)allowElements:(NSArray<NSString *> *)elementNames
+{
+	return [self allowPolicy:HTMLElementPolicy.identity onElements:elementNames];
+}
+
+- (HTMLSanitizingPolicyBuilder *)disallowElements:(NSArray<NSString *> *)elementNames
+{
+	return [self allowPolicy:HTMLElementPolicy.rejectAll onElements:elementNames];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowPolicy:(HTMLElementPolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+{
+	for (NSString *name in elementNames) {
+		NSMutableArray<HTMLElementPolicy *> *list = elementPolicies[name];
+		if (list == nil) {
+			list = [NSMutableArray new];
+		}
+		[list addObject:policy];
+		elementPolicies[name] = list;
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowCommonInlineFormattingElements
+{
+	return [self allowElements:@[@"b", @"i", @"font", @"s", @"u", @"o", @"sup", @"sub", @"ins", @"del",
+								 @"strong", @"strike", @"tt", @"code", @"big", @"small", @"br", @"span", @"em"]];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowCommonBlockElements
+{
+	return [self allowElements:@[@"p", @"div", @"h1", @"h2", @"h3", @"h4", @"h5", @"h6", @"ul", @"ol", @"li",
+								 @"blockquote"]];
+}
+
+- (HTMLSanitizingPolicyBuilder *)allowTextInElements:(NSArray<NSString *> *)elementNames;
+{
+	for (NSString *name in elementNames) {
+		textContainers[name] = @YES;
+	}
+	return self;
+}
+
+- (HTMLSanitizingPolicyBuilder *)disallowTextInElements:(NSArray<NSString *> *)elementNames
+{
+	for (NSString *name in elementNames) {
+		textContainers[name] = @NO;
+	}
+	return self;
+}
+
+//- (HTMLSanitizingPolicyBuilder *)allowAttributes:(NSArray<NSString *> *)attributeNames
+//									  onElements:(NSArray<NSString *> *)elementNames
+//{
+//	for (NSString *attribute in attributeNames) {
+//		[self allowAttributePolicy:HTMLAttributePolicy.identity onElements:elementNames];
+//	}
+//	return self;
+//}
+//
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributes:(NSArray<NSString *> *)attributeName
+//										 onElements:(NSArray<NSString *> *)elementNames;
+//
+//- (HTMLSanitizingPolicyBuilder *)allowAttributePolicy:(HTMLAttributePolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+//{
+//	return self;
+//}
+//
+//- (HTMLSanitizingPolicyBuilder *)disallowAttributePolicy:(HTMLAttributePolicy *)policy onElements:(NSArray<NSString *> *)elementNames
+//{
+//	return self;
+//}
+
 @end
diff --git a/Sources/HTMLTokenPolicy.h b/Sources/HTMLTokenPolicy.h
index 519ea1a..0240ab5 100644
--- a/Sources/HTMLTokenPolicy.h
+++ b/Sources/HTMLTokenPolicy.h
@@ -13,7 +13,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface HTMLTokenPolicy : NSObject
 
-+ (instancetype)policy:(nullable HTMLToken * (^)(HTMLToken *))block;
++ (instancetype)policy:(HTMLToken * _Nullable (^)(HTMLToken *))block;
 
 - (nullable HTMLToken *)apply:(HTMLToken *)token;
 
diff --git a/Sources/include/HTMLCharacterToken.h b/Sources/include/HTMLCharacterToken.h
index 20ebd19..afc0308 100644
--- a/Sources/include/HTMLCharacterToken.h
+++ b/Sources/include/HTMLCharacterToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
diff --git a/Sources/include/HTMLCommentToken.h b/Sources/include/HTMLCommentToken.h
index 5c43f1e..0283f29 100644
--- a/Sources/include/HTMLCommentToken.h
+++ b/Sources/include/HTMLCommentToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
diff --git a/Sources/include/HTMLDOCTYPEToken.h b/Sources/include/HTMLDOCTYPEToken.h
index d54d991..dfab322 100644
--- a/Sources/include/HTMLDOCTYPEToken.h
+++ b/Sources/include/HTMLDOCTYPEToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
diff --git a/Sources/include/HTMLEOFToken.h b/Sources/include/HTMLEOFToken.h
index 369f315..f01f5e1 100644
--- a/Sources/include/HTMLEOFToken.h
+++ b/Sources/include/HTMLEOFToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2015 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import "HTMLToken.h"
 
 /**
diff --git a/Sources/include/HTMLKit.h b/Sources/include/HTMLKit.h
index 1e94b55..5eb595b 100644
--- a/Sources/include/HTMLKit.h
+++ b/Sources/include/HTMLKit.h
@@ -16,6 +16,8 @@ extern const unsigned char HTMLKitVersionString[];
 
 #import "HTMLDOM.h"
 #import "HTMLParser.h"
+#import "HTMLSanitizer.h"
+
 #import "HTMLKitErrorDomain.h"
 #import "HTMLOrderedDictionary.h"
 
diff --git a/Sources/include/HTMLParseErrorToken.h b/Sources/include/HTMLParseErrorToken.h
index 8b46e24..6ec50e0 100644
--- a/Sources/include/HTMLParseErrorToken.h
+++ b/Sources/include/HTMLParseErrorToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 
diff --git a/Sources/include/HTMLTagToken.h b/Sources/include/HTMLTagToken.h
index 287f1ec..481f9a7 100644
--- a/Sources/include/HTMLTagToken.h
+++ b/Sources/include/HTMLTagToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 #import "HTMLToken.h"
 #import "HTMLOrderedDictionary.h"
diff --git a/Sources/include/HTMLToken.h b/Sources/include/HTMLToken.h
index 32d5b87..b1da7a5 100644
--- a/Sources/include/HTMLToken.h
+++ b/Sources/include/HTMLToken.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import <Foundation/Foundation.h>
 
 @class HTMLDOCTYPEToken;
diff --git a/Sources/include/HTMLTokens.h b/Sources/include/HTMLTokens.h
index 6450e9f..4b1ac69 100644
--- a/Sources/include/HTMLTokens.h
+++ b/Sources/include/HTMLTokens.h
@@ -6,10 +6,6 @@
 //  Copyright (c) 2014 BrainCookie. All rights reserved.
 //
 
-///------------------------------------------------------
-/// HTMLKit private header
-///------------------------------------------------------
-
 #import	"HTMLToken.h"
 #import "HTMLCharacterToken.h"
 #import "HTMLCommentToken.h"